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Williamson County, Illinois (IL)

County population in 2024: 67,064 (59% urban, 41% rural); it was 61,296 in 2000
County owner-occupied with a mortgage or a loan houses and condos in 2020: 10,805
County owner-occupied free and clear houses and condos in 2020: 8,633
County owner-occupied houses and condos in 2000: 18,672, in 2010: 8,316
Renter-occupied apartments: 8,707 (it was 6,686 in 2000, and 7,818 in 2010)
% of renters here:

26%
State:

31%

Land area: 423 sq. mi.

Water area: 21.0 sq. mi.

Population density: 158 people per square mile   (average).

December 2024 cost of living index in Williamson County: 75.1 (low, U.S. average is 100)

Industries providing employment: Educational, health and social services (28.1%), Retail trade (12.3%).

Type of workers:

  • Private wage or salary: 73%
  • Government: 21%
  • Self-employed, not incorporated: 6%
  • Unpaid family work: 0%
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Based on 2000-2023 data
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  • Races in Williamson County, IL (2024)
    • 57,86587.3%White Non-Hispanic Alone
    • 2,7804.2%Black Non-Hispanic Alone
    • 2,4123.6%Two or more races
    • 2,0083.0%Hispanic or Latino
    • 9991.5%Asian alone
    • 1700.3%American Indian and Alaska Native alone
    • 750.1%Some other race alone
Median resident age:

42.1 years
Illinois median age:

39.4 years
Males: 33,725  (50.3%)
Females: 33,339  (49.7%)
Average household size:
Williamson County:

2.3 people
Illinois:

2.5 people

Estimated median household income in 2024: $68,415 ($31,991 in 1999)
This county:

$68,415
Illinois:

$83,211

Median contract rent in 2024 for apartments: $680 (lower quartile is $560, upper quartile is $848)
This county:

$680
State:

$1159


Estimated median house or condo value in 2024: $167,700 (it was $61,200 in 2000)
Williamson:

$167,700
Illinois:

$280,700
Lower value quartile - upper value quartile: $98,700 - $269,800
Median monthly housing costs for homes and condos with a mortgage: $1,440
Median monthly housing costs for units without a mortgage: $577

Institutionalized population: 1,822

Crime in 2019 (reported by the sheriff's office or county police, not the county total):

  • Murders: 2
  • Rapes: 4
  • Robberies: 1
  • Assaults: 1
  • Burglaries: 45
  • Thefts: 183
  • Auto thefts: 20

Crime in 2018 (reported by the sheriff's office or county police, not the county total):

  • Murders: 0
  • Rapes: 11
  • Robberies: 1
  • Assaults: 0
  • Burglaries: 67
  • Thefts: 189
  • Auto thefts: 24
Williamson County, IL map from a distance

Single-family new house construction building permits:

  • 2024: 80 buildings, average cost: $186,200
  • 2023: 66 buildings, average cost: $268,200
  • 2022: 63 buildings, average cost: $157,400
  • 2021: 81 buildings, average cost: $180,700
  • 2020: 173 buildings, average cost: $137,200
  • 2019: 168 buildings, average cost: $140,200
  • 2018: 187 buildings, average cost: $136,300
  • 2017: 77 buildings, average cost: $158,300
  • 2016: 79 buildings, average cost: $171,300
  • 2015: 72 buildings, average cost: $139,400
  • 2014: 77 buildings, average cost: $187,300
  • 2013: 85 buildings, average cost: $130,300
  • 2012: 141 buildings, average cost: $146,000
  • 2011: 79 buildings, average cost: $164,100
  • 2010: 78 buildings, average cost: $129,200
  • 2009: 105 buildings, average cost: $132,400
  • 2008: 75 buildings, average cost: $141,900
  • 2007: 225 buildings, average cost: $121,000
  • 2006: 247 buildings, average cost: $95,600
  • 2005: 202 buildings, average cost: $139,300
  • 2004: 265 buildings, average cost: $113,600
  • 2003: 182 buildings, average cost: $114,700
  • 2002: 168 buildings, average cost: $94,300
  • 2001: 157 buildings, average cost: $95,800
  • 2000: 135 buildings, average cost: $102,000
  • 1999: 143 buildings, average cost: $90,500
  • 1998: 124 buildings, average cost: $96,700
  • 1997: 128 buildings, average cost: $89,400
Number of permits per 10,000 Williamson, IL residents
Average permit cost in Williamson, IL
Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Median real estate property taxes paid for housing units with mortgages in 2024: $3,412 (1.9%)
Median real estate property taxes paid for housing units with no mortgage in 2024: $2,321 (1.5%)

Distribution of median household income in Williamson, IL in 2024
Distribution of house value in Williamson, IL in 2024
Distribution of rent paid by renters in Williamson, IL in 2024
Percentage of residents living in poverty in 2024: 11.4%
Williamson County:

11.4%
Illinois:

11.6%
(10.3% for White Non-Hispanic residents, 30.3% for Black residents, 23.3% for Hispanic or Latino residents, 16.0% for American Indian residents, 7.2% for other race residents, 28.1% for two or more races residents)

Median age of residents in 2024: 42.1 years old
(Males: 41.3 years old, Females: 43.0 years old)
(Median age for: White residents: 44.1 years old, Black residents: 30.7 years old, American Indian residents: 42.3 years old, Asian residents: 59.0 years old, Hispanic or Latino residents: 23.3 years old, Other race residents: 31.6 years old)

Fair market rent in 2006 for a 1-bedroom apartment in Williamson County is $375 a month.
Fair market rent for a 2-bedroom apartment is $492 a month.
Fair market rent for a 3-bedroom apartment is $709 a month.

Cities in this county include: Marion, Herrin, Carterville, Johnston City, Cambria, Energy, Crainville, Hurst, Creal Springs, Pittsburg.

Williamson County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential

Click to draw/clear Williamson County borders

Notable locations in this county outside city limits:

Notable locations in Williamson County: Pine Ridge Camp (A), Little Grassy Fish Hatchery (B), Pulleys Mill (C), Cedar Point Camp (D), Camp Carew (E), Halfway (F), Air Evac Lifeteam (G), Crab Orchard National Wildlife Refuge Fire Response (H), Lake Egypt Fire Protection District Station 4 (I), Lake Egypt Fire Protection District Station 5 (J), Williamson County Fire Protection District Station 4 (K). Display/hide their locations on the map

Churches in Williamson County include: Allens Chapel (A), Arnold View Church (B), Palestine Church (C), Bethel Church (D), Cedar Grove United Methodist Church (E), Pulleys Mill Pentecostal Church (F), Plumville Church (G), Ralls Grove Church (H), Cana Church (I). Display/hide their locations on the map

Cemeteries: Barter Cemetery (1), New Spring Grove Cemetery (2), Walker Cemetery (3), Arnold Cemetery (4), Ward Cemetery (5), Atwood Cemetery (6), Blair Cemetery (7). Display/hide their locations on the map

Lakes and reservoirs: Caplinger Pond (A), Pond 60 (B), Pond 38 (C), Pond 33 (D), Pond 17 (E), Johnston City Sewage Lagoon (F), Belford Lake (G), Lake Number 5 (H). Display/hide their locations on the map

Streams, rivers, and creeks: White Oak Creek (A), Caney Branch (B), Buckley Creek (C), Bear Creek (D), Lost Branch (E), Rock Creek (F), Little Saline Creek (G), Little Crab Orchard Creek (H), Limb Branch (I). Display/hide their locations on the map

Park in Williamson County: Crab Orchard National Wildlife Refuge (1). Display/hide its location on the map

Neighboring counties: Franklin County , Jackson County , Johnson County , Pope County , Saline County , Union County .

Unemployment in November 2024:
Here:

3.8%
Illinois:

4.5%

Unemployment by year in Williamson, IL
County total employment by year in Williamson, IL
County average yearly wages by year in Williamson, IL

Current college students: 3,462
People 25 years of age or older with a high school degree or higher: 94.3%
People 25 years of age or older with a bachelor's degree or higher: 24.5%

Number of foreign born residents: 1,446 (87.1% naturalized citizens)

Williamson County:

2.2%
Whole state:

15.4%
Year of entry for the foreign-born population
  • Year of entry for the foreign-born population
  • 4532010 or later
  • 2802000 to 2009
  • 1921990 to 1999
  • 1331980 to 1989
  • 1151970 to 1979
  • 238Before 1970

Mean travel time to work (commute): 23 minutes

Percentage of county residents living and working in this county: 99.3%

Williamson County marital status for males Williamson County marital status for females

Housing units in structures:

  • One, detached: 25,482
  • One, attached: 388
  • Two: 1,530
  • 3 or 4: 965
  • 5 to 9: 1,072
  • 10 to 19: 167
  • 20 to 49: 233
  • 50 or more: 243
  • Mobile homes: 2,198

Housing units in Williamson County with a mortgage: 11,611 (869 second mortgage, 20 home equity loan, 700 both second mortgage and home equity loan)
Houses without a mortgage: 121

Here:

8.3% with mortgage
State:

97.6% with mortgage

Religion statistics for Williamson County

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Evangelical Protestant18,58189
Mainline Protestant5,26829
Catholic4,7885
Other6844
Black Protestant2422
None36,794-
Williamson County Religion Details
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center.

Food Environment Statistics:

Number of grocery stores: 14
Williamson County:

2.18 / 10,000 pop.
State:

2.24 / 10,000 pop.

Number of supercenters and club stores: 1
Here:

0.16 / 10,000 pop.
Illinois:

0.08 / 10,000 pop.

Number of convenience stores (no gas): 1
This county:

0.16 / 10,000 pop.
Illinois:

0.75 / 10,000 pop.

Number of convenience stores (with gas): 29
Williamson County:

4.52 / 10,000 pop.
Illinois:

2.61 / 10,000 pop.

Number of full-service restaurants: 47
This county:

7.32 / 10,000 pop.
State:

6.86 / 10,000 pop.

Adult diabetes rate:
Williamson County:

8.8%
Illinois:

8.3%

Adult obesity rate:
Williamson County:

28.0%
State:

25.2%

Low-income preschool obesity rate:
Here:

11.9%
State:

14.5%

Agriculture in Williamson County:

Average size of farms: 167 acres
Average value of agricultural products sold per farm: $15,491
Average value of crops sold per acre for harvested cropland: $117.75
The value of livestock, poultry, and their products as a percentage of the total market value of agricultural products sold: 40.09%
Average total farm production expenses per farm: $32,241
Harvested cropland as a percentage of land in farms: 47.22%
Irrigated harvested cropland as a percentage of land in farms: 0.01%
Average market value of all machinery and equipment per farm: $34,809
The percentage of farms operated by a family or individual: 93.19%
Average age of principal farm operators: 57 years
Average number of cattle and calves per 100 acres of all land in farms: 9.28
Milk cows as a percentage of all cattle and calves: 0.14%
Corn for grain: 13872 harvested acres
All wheat for grain: 169 harvested acres
Soybeans for beans: 23899 harvested acres
Vegetables: 25 harvested acres
Land in orchards: 68 acres

Tornado activity:

Williamson County historical area-adjusted tornado activity is significantly below Illinois state average. It is 1959422.3 times below overall U.S. average.
Tornadoes in this county have caused 10 fatalities and 197 injuries recorded between 1950 and 2024.

On 1982-05-29, a category F4 (max. wind speeds 207-260 mph) tornado killed 10 people and injured 181 people and caused between $50,000,000 and $500,000,000 in damages.
On 1991-11-19, a category F3 (max. wind speeds 158-206 mph) tornado injured 16 people and caused between $5,000,000 and $50,000,000 in damages.

Earthquake activity:

Williamson County-area historical earthquake activity is above Illinois state average. It is 50% smaller than the overall U.S. average.

On 4/18/2008 at 09:36:59, a magnitude 5.4 (5.1 MB, 4.8 MS, 5.4 MW, 5.2 MW, Class: Moderate, Intensity: VI - VII) earthquake occurred 76.5 miles away from Williamson County center
On 4/18/2008 at 09:36:59, a magnitude 5.2 (5.2 MW, Depth: 8.9 mi) earthquake occurred 76.5 miles away from the county center
On 9/26/1990 at 13:18:51, a magnitude 5.0 (4.7 MB, 4.8 LG, 5.0 LG, Depth: 7.7 mi) earthquake occurred 50.8 miles away from the county center
On 6/18/2002 at 17:37:15, a magnitude 5.0 (4.3 MB, 4.6 MW, 5.0 LG) earthquake occurred 67.1 miles away from the county center
On 6/10/1987 at 23:48:54, a magnitude 5.1 (4.9 MB, 4.4 MS, 4.6 MS, 5.1 LG) earthquake occurred 94.8 miles away from Williamson County center
On 5/4/1991 at 01:18:54, a magnitude 5.0 (4.4 MB, 4.6 LG, 5.0 LG, Depth: 3.1 mi) earthquake occurred 94.4 miles away from the county center
Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), surface-wave magnitude (MS), moment magnitude (MW)

Most recent natural disasters:

  • Illinois Covid-19, Incident Period: Jan 20, 2020 - May 11, 2023, FEMA Id: 3435, Natural disaster type: Other
  • Illinois Covid-19 Pandemic, Incident Period: January 20, 2020, FEMA Id: 4489, Natural disaster type: Other
  • Illinois Severe Storms and Flooding, Incident Period: April 19, 2011 to June 14, 2011, Major Disaster (Presidential) Declared DR-1991: June 07, 2011, FEMA Id: 1991, Natural disaster type: Storm, Flood
  • Illinois Severe Storms, Flooding, and Tornadoes, Incident Period: May 08, 2009 to May 09, 2009, Major Disaster (Presidential) Declared DR-1850: July 02, 2009, FEMA Id: 1850, Natural disaster type: Storm, Tornado, Flood
  • Illinois Hurricane Katrina Evacuation, Incident Period: August 29, 2005 to October 01, 2005, Emergency Declared EM-3230: September 07, 2005, FEMA Id: 3230, Natural disaster type: Hurricane
  • Illinois Snow, Incident Period: December 21, 2004 to December 23, 2004, Emergency Declared EM-3199: February 01, 2005, FEMA Id: 3199, Natural disaster type: Snow
  • Illinois Severe Storms, Tornadoes, and Flooding, Incident Period: April 21, 2002 to May 23, 2002, Major Disaster (Presidential) Declared DR-1416: May 21, 2002, FEMA Id: 1416, Natural disaster type: Storm, Tornado, Flood
  • Illinois Severe Storms/Flooding, Incident Period: April 28, 1996 to May 17, 1996, Major Disaster (Presidential) Declared DR-1112: May 06, 1996, FEMA Id: 1112, Natural disaster type: Storm, Flood
  • Illinois Severe Storms, Tornadoes, Incident Period: June 05, 1982, Major Disaster (Presidential) Declared DR-660: June 05, 1982, FEMA Id: 660, Natural disaster type: Storm, Tornado

The number of natural disasters in Williamson County (9) is smaller than the US average (19).
Major Disasters (Presidential) Declared: 5
Emergencies Declared: 2
Means of transportation to work in 2024 - Williamson

Means of transportation to work:

  • Drove a car alone: 26,490 (82.0%)
  • Carpooled: 2,717 (8.4%)
  • Bus: 105 (0.3%)
  • Taxicab, motorcycle, or other means: 362 (1.1%)
  • Bicycle: 37 (0.1%)
  • Walked: 169 (0.5%)
  • Worked at home: 2,306 (7.1%)
Class of Workers in 2024
Most common industries in 2024 (%)
Males Females
Most common industries for males in 2024


  • Health care and social assistance (27%)
  • Retail trade (11%)
  • Educational services (11%)
  • Finance and insurance (11%)
  • Manufacturing (10%)
  • Accommodation and food services (9%)
  • Professional, scientific, and technical services (5%)

Most common industries for females in 2024


  • Health care and social assistance (26%)
  • Retail trade (11%)
  • Educational services (10%)
  • Finance and insurance (10%)
  • Manufacturing (10%)
  • Accommodation and food services (9%)
  • Professional, scientific, and technical services (5%)

Most common occupations in 2024 (%)
Males Females
Most common occupations for males in 2024


  • Construction and extraction occupations (15%)
  • Material moving occupations (10%)
  • Sales and related occupations (8%)
  • Management occupations (8%)
  • Production occupations (8%)
  • Installation, maintenance, and repair occupations (8%)
  • Business and financial operations occupations (6%)

Most common occupations for females in 2024


  • Office and administrative support occupations (18%)
  • Sales and related occupations (12%)
  • Management occupations (9%)
  • Food preparation and serving related occupations (9%)
  • Educational instruction, and library occupations (9%)
  • Production occupations (8%)
  • Health diagnosing and treating practitioners and other technical occupations (6%)

Most common places of birth for foreign-born residents


  • China, excluding Hong Kong and Taiwan (14%)
  • India (10%)
  • Guatemala (9%)
  • Mexico (9%)
  • Philippines (7%)
  • Cuba (5%)
  • Germany (5%)

Most common first ancestries reported in Williamson County


  • English (16%)
  • American (15%)
  • German (15%)
  • Irish (10%)
  • Italian (5%)
  • Polish (2%)
  • European (2%)

Owners and renters by unit type
Breakdown of mean house values by ages of householders

People in group quarters in Williamson County, Illinois in 2020:

  • 1,438 people in correctional facilities for adults
    • 36 people in federal detention centers
    • 1,351 people in federal prisons
    • 51 people in local jails and other municipal confinement facilitie
  • 384 people in nursing facilities/skilled-nursing facilities
  • 207 people in other noninstitutional facilities
    • 26 people in emergency and transitional shelters (with sleeping facilities) for people experiencing homelessness
    • 124 people in group homes intended for adults
    • 19 people in residential treatment centers for adults
    • 38 people in other noninstitutional facilities

People in group quarters in Williamson County, Illinois in 2010:

  • 1,006 people in federal prisons
  • 498 people in nursing facilities/skilled-nursing facilities
  • 207 people in local jails and other municipal confinement facilities
  • 69 people in other noninstitutional facilities
  • 50 people in group homes intended for adults
  • 40 people in emergency and transitional shelters (with sleeping facilities) for people experiencing homelessness

People in group quarters in Williamson County, Illinois in 2000:

  • 732 people in nursing homes
  • 608 people in federal prisons and detention centers
  • 74 people in local jails and other confinement facilities (including police lockups)
  • 71 people in orthopedic wards and institutions for the physically handicapped
  • 37 people in other noninstitutional group quarters
  • 36 people in homes for the mentally retarded
  • 35 people in wards in general hospitals for patients who have no usual home elsewhere
  • 24 people in other group homes
  • 20 people in halfway houses
  • 10 people in other types of correctional institutions
  • 3 people in religious group quarters
  • 3 people in other nonhousehold living situations
Average gross adjusted income of non-migrant taxpayers in this county in 2021 was $71,014.

6.72% of this county's 2022 resident taxpayers lived in other counties in 2021 ($51,024 average adjusted gross income)

Here:

6.72%
Illinois average:

5.03%


10 or fewer of this county's residents moved from foreign countries.
4.44% relocated from other counties in Illinois ($33,307 average AGI)
2.27% relocated from other states ($17,717 average AGI)
Williamson County:

2.27%
Illinois average:

2.13%

Residents relocating <b>from</b> other counties or countries

Top counties from which taxpayers relocated into this county between 2021 and 2022:
from Jackson County, IL  1.21% ($50,139 average AGI)
from Franklin County, IL  0.95% ($45,148)
from Johnson County, IL  0.29% ($54,013)
from Saline County, IL  0.27% ($49,056)
from Union County, IL  0.16% ($44,000)
from Jefferson County, IL  0.13% ($40,514)
from Perry County, IL  0.12% ($61,906)


6.38% of this county's 2021 resident taxpayers moved to other counties in 2022 ($56,829 average adjusted gross income)

Here:

6.38%
Illinois average:

5.87%


10 or fewer of this county's residents moved to foreign countries.
3.94% relocated to other counties in Illinois ($29,417 average AGI)
2.44% relocated to other states ($27,412 average AGI)
Williamson County:

2.44%
Illinois average:

2.99%

Residents relocating <b>to</b> other counties or countries

Top counties to which taxpayers relocated from this county between 2021 and 2022:
to Franklin County, IL  1.02% ($43,569 average AGI)
to Jackson County, IL  1.01% ($36,049)
to Johnson County, IL  0.31% ($52,012)
to Saline County, IL  0.25% ($38,909)
to Union County, IL  0.12% ($57,258)
to St. Clair County, IL  0.11% ($85,643)
to Cook County, IL  0.10% ($123,444)

Births per 1000 population from 1990 to 1999: 11.8
Births per 1000 population from 2000 to 2006: 11.9

Births per 1000 population in Williamson County

Deaths per 1000 population from 1990 to 1999: 11.5
Deaths per 1000 population from 2000 to 2009: 11.8
Deaths per 1000 population from 2010 to 2020: 11.4

Deaths per 1000 population in Williamson County

Infant deaths per 1000 live births from 1990 to 1999: 8.6
Infant deaths per 1000 live births from 2000 to 2006: 6.0

Infant deaths per 1000 population in Williamson County
Population without health insurance coverage in 2023: 5.6%
Persons under 19 years old without health insurance coverage in 2023: 3.1%
Percentage of population without health insurance coverage in Williamson County
All 18-64 40-64 50-64 Under 19
Population without health insurance coverage in Williamson County
18-64 population without health insurance coverage in Williamson County
40-64 population without health insurance coverage in Williamson County
50-64 population without health insurance coverage in Williamson County
Population under 19 years without health insurance coverage in Williamson County

Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare) in July 1, 2007: 12,268 (10,129 aged, 2,139 disabled)
Children under 18 without health insurance coverage in 2007: 1,082 (7%)
Persons enrolled in Medicare
Aged persons enrolled in Medicare
Disabled persons enrolled in Medicare

Most common underlying causes of death in Williamson County, Illinois in 1999 - 2019:

  • Acute myocardial infarction, unspecified (1,276)
  • Bronchus or lung, unspecified - Malignant neoplasms (1,094)
  • Chronic obstructive pulmonary disease, unspecified (851)
  • Unspecified dementia (679)
  • Atherosclerotic heart disease (638)
  • Congestive heart failure (515)
  • Stroke, not specified as haemorrhage or infarction (441)
  • Alzheimer disease, unspecified (427)
  • Pneumonia, unspecified (354)
  • Septicaemia, unspecified (353)

Population without health insurance coverage in 2000: 13%
Children under 18 without health insurance coverage in 2000: 10%

Short term general hospitals per 100,000 population in 2004: 4.75
Short term general hospital admissions per 100,000 population in 2004: 19,666
Short term general hospital beds per 100,000 population in 2004: 469
Emergency room visits per 100,000 population in 2004: 91,296

General practice office based MDs per 100,000 population in 2005: 1,160
Medical specialist MDs per 100,000 population in 2005: 1,236
Dentists per 100,000 population in 1998: 13

Total births per 100,000 population, July 2005 - July 2006 : 31
Total deaths per 100,000 population, July 2005 - July 2006: 74

Limited-service eating places per 100,000 population in 2005 : 8

Suicides per 1,000,000 population from 2000 to 2006: 116.6. This is more than state average.

Mechanisms of suicide
Deaths per 1,000,000 population:
  • Firearm - 77.7
  • Other - 38.9

Household type by relationship:

Households: 67,064
  • Male householders: 14,325 (3,591 living alone), Female householders: 14,785 (3,961 living alone)
  • 14,787 spouses (14,433 opposite-sex spouses), 2,378 unmarried partners, (2,304 opposite-sex unmarried partners), 15,751 children (14,297 natural, 617 adopted, 837 stepchildren), 1,064 grandchildren, 365 brothers or sisters, 92 parents, 74 foster children, 477 other relatives, 857 non-relatives
  • In group quarters: 2,109

Size of family households: 10,023 2-persons, 3,278 3-persons, 3,125 4-persons, 2,739 5-persons, 304 6-persons, 85 7-or-more-persons.

Size of nonfamily households: 7,552 1-person, 1,678 2-persons, 92 3-persons, 234 4-persons.

8,320 married couples with children.
4,605 single-parent households (993 men, 3,612 women).

96.2% of residents of Williamson speak English at home.
1.4% of residents speak Spanish at home (77% speak English very well, 7% speak English well, 14% speak English not well, 2% don't speak English at all).
0.8% of residents speak other Indo-European language at home (89% speak English very well, 11% speak English well).
1.1% of residents speak Asian or Pacific Island language at home (68% speak English very well, 17% speak English well, 14% speak English not well).
0.1% of residents speak other language at home (100% speak English very well).

In fiscal year 2004:

Federal Government expenditure: $534,942,000 ($8,478 per capita)
Department of Defense expenditure: $135,267,000
Federal direct payments to individuals for retirement and disability: $174,818,000
Federal other direct payments to individuals: $84,240,000
Federal direct payments not to individuals: $5,772,000
Federal grants: $68,025,000
Federal procurement contracts: $127,882,000 ($122,024,000 Department of Defense)
Federal salaries and wages: $74,206,000 ($5,709,000 Department of Defense)
Federal Government direct loans: $4,557,000
Federal guaranteed/insured loans: $19,205,000
Federal Government insurance: $21,569,000

Population change from April 1, 2000 to July 1, 2005:

Births: 3,849
Here:

61 per 1000 residents
State:

75 per 1000 residents

Deaths: 3,900
Here:

61 per 1000 residents
State:

43 per 1000 residents

Net international migration: +83
Here:

+1 per 1000 residents
State:

+26 per 1000 residents

Net internal migration: +2,360
Here +37 per 1000 residents
State -31 per 1000 residents
Population growth in Williamson County

Total withdrawal of fresh water for public supply: 2.46 millions of gallons per day (2% from ground, 98% from surface)

Median number of rooms in houses and condos:
Here:

6.4
State:

6.4

Median number of rooms in apartments:
Here:

5.0
State:

4.0

Year house built in Williamson County, Illinois
  • Year house built in Williamson County, Illinois
  • 8442020 or later
  • 2,3592010 to 2019
  • 4,2362000 to 2009
  • 4,7691990 to 1999
  • 3,2931980 to 1989
  • 4,8321970 to 1979
  • 3,3811960 to 1969
  • 2,3491950 to 1959
  • 1,3131940 to 1949
  • 4,9021939 or earlier
Rooms in houses/apartments in Williamson County, Illinois
Owner-occupied Renter-occupied
Rooms in owner-occupied houses in Williamson County, Illinois
  • Rooms in owner-occupied houses in Williamson County, Illinois
  • 01 room
  • 822 rooms
  • 3843 rooms
  • 1,7234 rooms
  • 4,2165 rooms
  • 4,7516 rooms
  • 3,6387 rooms
  • 2,8518 rooms
  • 3,7729+ rooms
Rooms in renter-occupied apartments in Williamson County, Illinois
  • Rooms in renter-occupied apartments in Williamson County, Illinois
  • 1021 room
  • 522 rooms
  • 8213 rooms
  • 2,1244 rooms
  • 1,4725 rooms
  • 1,3666 rooms
  • 1,2167 rooms
  • 1158 rooms
  • 4259+ rooms
Bedrooms in houses/apartments in Williamson County, Illinois
Owner-occupied Renter-occupied
Bedrooms in owner-occupied houses in Williamson County, Illinois
  • Bedrooms in owner-occupied houses in Williamson County, Illinois
  • 32no bedroom
  • 1911 bedroom
  • 4,5642 bedrooms
  • 12,0913 bedrooms
  • 3,2924 bedrooms
  • 1,2475+ bedrooms
Bedrooms in renter-occupied apartments in Williamson County, Illinois
  • Bedrooms in renter-occupied apartments in Williamson County, Illinois
  • 102no bedroom
  • 6551 bedroom
  • 4,1442 bedrooms
  • 1,4863 bedrooms
  • 1,3064 bedrooms
  • 05+ bedrooms
Cars and other vehicles available in Williamson County, Illinois in houses/condos/apartments
Owner-occupied Renter-occupied
Cars and other vehicles available in Williamson County in owner-occupied houses/condos
  • Cars and other vehicles available in Williamson County in owner-occupied houses/condos
  • 801no vehicle
  • 4,6261 vehicle
  • 10,2292 vehicles
  • 3,4623 vehicles
  • 1,8974 vehicles
  • 4025+ vehicles
Cars and other vehicles available in Williamson County in renter-occupied apartments
  • Cars and other vehicles available in Williamson County in renter-occupied apartments
  • 730no vehicle
  • 3,6571 vehicle
  • 2,6622 vehicles
  • 5553 vehicles
  • 444 vehicles
  • 455+ vehicles

88.5% of Williamson County residents lived in the same house 1 years ago.
   Out of people who lived in different houses, 34% lived in this county.
   Out of people who lived in different counties, 64% lived in Illinois.

Williamson County:

88.5%
State average:

89.8%

Place of birth for U.S.-born residents:

  • This state: 48,501
  • Other state: 16,904
  • Northeast: 1,551
  • Midwest: 7,255
  • South: 5,578
  • West: 2,520
Year householders moved into unit in Williamson County, IL
Most commonly used house heating fuel in Williamson County
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos
  • 61.4%Electricity
  • 30.4%Utility gas
  • 6.5%Bottled, tank, or LP gas
  • 0.8%Wood
  • 0.3%Coal or coke
  • 0.2%No fuel used
  • 0.1%Solar energy
  • 0.1%Fuel oil, kerosene, etc.
Most commonly used house heating fuel in apartments
  • 70.6%Electricity
  • 25.0%Utility gas
  • 2.6%Bottled, tank, or LP gas
  • 0.6%No fuel used
  • 0.6%Other fuel
  • 0.3%Wood
  • 0.2%Coal or coke

Private vs. public school enrollment:


Students in private schools in grades 1 to 8 (elementary and middle school): 1,405
Here:

26.9%
Illinois:

12.6%

Students in private schools in grades 9 to 12 (high school): 908
Here:

25.0%
Illinois:

11.0%

Students in private undergraduate colleges: 107
Here:

6.4%
Illinois:

28.2%

Educational Attainment
School Enrollment by Level of School
Age and Sex of Sensory-Disabled Noninstitutionalized Residents
Age and Sex of Physically-Disabled Noninstitutionalized Residents
Age and Sex of Mentally-Disabled Noninstitutionalized Residents
Age and Sex of Self-Care Disabled Noninstitutionalized Residents
Age and Sex of Go-Outside-Home Disabled Noninstitutionalized Residents
Age and Sex of Noninstitutionalized Residents with Employment Disability

Williamson County government finances - Expenditure in 2023:

  • Construction - Regular Highways: $10,648,000
    Central Staff Services: $768,000
  • Current Operations - General - Other: $15,574,000
    Police Protection: $7,698,000
    Regular Highways: $6,208,000
    Judicial and Legal Services: $3,645,000
    Central Staff Services: $2,701,000
    Public Welfare - Other: $2,540,000
  • Federal Intergovernmental - Other: $6,970,000
  • General - Interest on Debt: $831,000
  • Long Term Debt - Beginning Outstanding - Unspecified Public Purpose: $34,870,000
    Outstanding Unspecified Public Purpose: $26,608,000
    Retired Unspecified Public Purpose: $18,910,000
    Issue, Unspecified Public Purpose: $10,648,000
  • Miscellaneous - General Revenue - Other: $17,882,000
    Fines and Forfeits: $8,232,000
    Interest Earnings: $501,000
  • State Intergovernmental - Other: $11,702,000
  • Tax - Property: $18,279,000
    Other Selective Sales: $1,531,000

Williamson County government finances - Revenue in 2023:

  • Construction - Regular Highways: $10,648,000
    Central Staff Services: $768,000
  • Current Operations - General - Other: $15,574,000
    Police Protection: $7,698,000
    Regular Highways: $6,208,000
    Judicial and Legal Services: $3,645,000
    Central Staff Services: $2,701,000
    Public Welfare - Other: $2,540,000
  • Federal Intergovernmental - Other: $6,970,000
  • General - Interest on Debt: $831,000
  • Long Term Debt - Beginning Outstanding - Unspecified Public Purpose: $34,870,000
    Outstanding Unspecified Public Purpose: $26,608,000
    Retired Unspecified Public Purpose: $18,910,000
    Issue, Unspecified Public Purpose: $10,648,000
  • Miscellaneous - General Revenue - Other: $17,882,000
    Fines and Forfeits: $8,232,000
    Interest Earnings: $501,000
  • State Intergovernmental - Other: $11,702,000
  • Tax - Property: $18,279,000
    Other Selective Sales: $1,531,000

Williamson County government finances - Debt in 2023:

  • Construction - Regular Highways: $10,648,000
    Central Staff Services: $768,000
  • Current Operations - General - Other: $15,574,000
    Police Protection: $7,698,000
    Regular Highways: $6,208,000
    Judicial and Legal Services: $3,645,000
    Central Staff Services: $2,701,000
    Public Welfare - Other: $2,540,000
  • Federal Intergovernmental - Other: $6,970,000
  • General - Interest on Debt: $831,000
  • Long Term Debt - Beginning Outstanding - Unspecified Public Purpose: $34,870,000
    Outstanding Unspecified Public Purpose: $26,608,000
    Retired Unspecified Public Purpose: $18,910,000
    Issue, Unspecified Public Purpose: $10,648,000
  • Miscellaneous - General Revenue - Other: $17,882,000
    Fines and Forfeits: $8,232,000
    Interest Earnings: $501,000
  • State Intergovernmental - Other: $11,702,000
  • Tax - Property: $18,279,000
    Other Selective Sales: $1,531,000

Williamson County government finances - Cash and Securities in 2023:

  • Construction - Regular Highways: $10,648,000
    Central Staff Services: $768,000
  • Current Operations - General - Other: $15,574,000
    Police Protection: $7,698,000
    Regular Highways: $6,208,000
    Judicial and Legal Services: $3,645,000
    Central Staff Services: $2,701,000
    Public Welfare - Other: $2,540,000
  • Federal Intergovernmental - Other: $6,970,000
  • General - Interest on Debt: $831,000
  • Long Term Debt - Beginning Outstanding - Unspecified Public Purpose: $34,870,000
    Outstanding Unspecified Public Purpose: $26,608,000
    Retired Unspecified Public Purpose: $18,910,000
    Issue, Unspecified Public Purpose: $10,648,000
  • Miscellaneous - General Revenue - Other: $17,882,000
    Fines and Forfeits: $8,232,000
    Interest Earnings: $501,000
  • State Intergovernmental - Other: $11,702,000
  • Tax - Property: $18,279,000
    Other Selective Sales: $1,531,000

Supplemental Security Income (SSI) in 2006:

  • Total number of recipients: 1,464
  • Number of aged recipients: 89
  • Number of blind and disabled recipients: 1,375
  • Number of recipients under 18: 186
  • Number of recipients between 18 and 64: 1,052
  • Number of recipients older than 64: 226
  • Number of recipients also receiving OASDI: 469
  • Amount of payments (thousands of dollars): 705
Williamson County Fatal accident statistics for 1975 - 1998
Count Vehicles DUI Fatalities Persons Pedestrians
Fatal accident count
Vehicles involved in fatal accidents
Fatal accidents involving drunk persons
Fatalities
Persons involved in fatal accidents
Pedestrians involved in fatal accidents
Williamson County Fatal accident statistics for 1999 - 2023
Count Vehicles DUI Fatalities Persons Pedestrians
Fatal accident count
Vehicles involved in fatal accidents
Fatal accidents involving drunk persons
Fatalities
Persons involved in fatal accidents
Pedestrians involved in fatal accidents
Most common first names in Williamson County, IL among deceased individuals
NameCountLived (average)
William60675.4 years
John55975.4 years
James54573.0 years
Mary50479.8 years
Charles41073.5 years
Robert37872.1 years
George28276.2 years
Helen23479.0 years
Ruth19380.1 years
Frank18076.2 years
Most common last names in Williamson County, IL among deceased individuals
Last nameCountLived (average)
Smith29776.2 years
Jones17276.7 years
Davis16675.6 years
Williams15876.4 years
Brown13375.9 years
Walker12774.5 years
Miller10477.2 years
Hill10375.0 years
Harris9279.1 years
Taylor8974.2 years
Businesses in Williamson County, IL
NameCountNameCount
ALDI1Lane Bryant1
AT&T1Lane Furniture3
Ace Hardware2Little Caesars Pizza2
Advance Auto Parts1Long John Silver's2
Applebee's1Marriott1
Arby's1MasterBrand Cabinets10
AutoZone1Maurices1
Bath & Body Works1McDonald's6
Blockbuster1Menards1
Burger King1Motel 61
CVS2New Balance1
Chevrolet3Nissan1
Circle K1Papa John's Pizza1
Comfort Suites1Payless1
Cracker Barrel1Pizza Hut3
Curves2Quality1
Dairy Queen6Quiznos2
Days Inn1RadioShack1
Deb1Red Lobster1
Domino's Pizza4Ryan's Grill1
Econo Lodge1SAS Shoes1
Fashion Bug2SONIC Drive-In2
FedEx8Sam's Club1
Finish Line1Sears2
GNC1Starbucks1
GameStop1Steak 'n Shake1
Goodwill7Subaru1
H&R Block7Subway6
Hardee's4Super 81
Hilton1T-Mobile1
Holiday Inn1Taco Bell1
Home Depot1Target1
Honda1Toys"R"Us1
Hyundai1U-Haul7
Jones New York4UPS9
KFC2Vans1
Kincaid1Verizon Wireless1
Kmart1Walgreens2
Kroger3Walmart2
La-Z-Boy4Wendy's1

Williamson County on our top lists:

  • #23 on the list of "Top 101 counties with the lowest ground withdrawal of fresh water for public supply (pop. 50,000+)"
  • #38 on the list of "Top 101 counties with the lowest total withdrawal of fresh water for public supply (pop. 50,000+)"
  • #94 on the list of "Top 101 counties with the highest number of deaths per 1000 residents 2007-2013 (pop. 50,000+)"