Map the Block › Places › Illinois › St. Clair County
What are the crime rate and median income in St. Clair County, Illinois?
The violent-crime rate in St. Clair County was 2.2 per 1,000 residents (2021-2025 average, FBI), 25% lower than the statewide rate (3.0). The median household earns $73,854 and the unemployment rate was 3.9% in August 2026. Population: about 253,694 (Census, 2020-2024).
Last updated . Crime: FBI 2021-2025. Income and housing: Census ACS 2020-2024. Unemployment: BLS August 2026. Road work: October 11, 2026.
Also on the map: income · hazard risk · Superfund · dams
What is the crime rate in St. Clair County?
Police agencies in St. Clair County reported an average of 469 violent crimes and 2,279 property crimes a year from 2021 to 2025. The violent rate, 2.2 per 1,000 people, is 25% lower than the Illinois rate (3.0); nationally it is 3.7. Property crime ran at 10.8 per 1,000, against 16.0 statewide. Most violent crimes here are aggravated assaults (74%). CDC death records show about 47 homicide deaths a year in the county (18.2 per 100,000), a count that includes cases police may classify differently.
| Offense (yearly average, 2021-2025) | St. Clair County | Per 1,000 | Illinois per 1,000 | U.S. per 1,000 |
|---|---|---|---|---|
| Violent crime | 469 | 2.2 | 3.0 | 3.7 |
| Murder | 7 | 0.03 | 0.07 | 0.06 |
| Rape | 84 | 0.40 | 0.47 | 0.40 |
| Robbery | 31 | 0.15 | 0.86 | 0.62 |
| Aggravated assault | 347 | 1.6 | 1.6 | 2.6 |
| Property crime | 2,279 | 10.8 | 16.0 | 18.1 |
| Burglary | 358 | 1.7 | 2.2 | 2.4 |
| Larceny-theft | 1,604 | 7.6 | 11.2 | 13.0 |
| Motor vehicle theft | 316 | 1.5 | 2.7 | 2.6 |
Most crime never reaches the police, so these are reported crimes, a floor rather than the full count. In 2024 about half of violent crimes (48%) and about 3 in 10 property crimes (31%) were reported to police (U.S. Justice Department, National Crime Victimization Survey). Rates also depend on how completely each agency reports to the FBI. County figures add up the city police and sheriff reports in the county (17 agencies; 83% of residents covered).
What is the median household income in St. Clair County?
Median household income is $73,854, 11% lower than the statewide figure ($83,390). Owner-occupied homes have a median value of $180,300, and the median rent is $1,090 a month. 16.2% of households received SNAP benefits in the past year (state: 13.8%). The newest monthly figure from the Bureau of Labor Statistics is 3.9% for August 2026 (preliminary), with 4,706 people out of work and looking.
| Census ACS 2020-2024 | St. Clair County | Illinois | United States |
|---|---|---|---|
| Population | 253,694 | 12,694,798 | 334,922,499 |
| Median household income | $73,854 | $83,390 | $80,734 |
| Median home value (owner-occupied) | $180,300 | $263,300 | $332,700 |
| Median gross rent | $1,090 | $1,274 | $1,413 |
| Unemployment rate (2020-2024 average) | 6.0% | 5.8% | 5.2% |
| People below the poverty line | 13.6% | 11.8% | 12.5% |
| Households receiving SNAP (food stamps) | 16.2% | 13.8% | 12.1% |
| Adults 25+ with a bachelor's degree or higher | 31.8% | 37.8% | 35.7% |
| Homeowner households | 68.4% | 67.1% | 65.2% |
| Median age | 39.9 | 39.0 | 38.9 |
| Households with broadband internet | 89.7% | 90.8% | 91.0% |
| People without health insurance | 5.1% | 6.9% | 8.4% |
What natural hazards and environmental sites are in St. Clair County?
On FEMA's National Risk Index, St. Clair County has an overall natural-hazard risk rating of “Relatively High”. Among the hazards we show, the highest-rated are tornadoes (Relatively High), river flooding (Relatively High) and heat waves (Relatively High). The index compares counties with each other and also weighs how vulnerable and resilient a community is, so it is a long-run estimate, not a forecast.
Superfund sites
EPA lists 3 active Superfund sites (final or proposed) in St. Clair County: Old American Zinc Plant, Sauget Area 2 and Sauget Area 1. A listing means EPA is managing a long-term cleanup; it does not by itself mean anyone is exposed today.
High-hazard dams
St. Clair County has 16 dams classed as high hazard in the National Inventory of Dams. Tallest on the list: Stonewolf Golf Course Lake Dam (72 ft) and Baldwin Plant Cooling Lake Dikes (55 ft). “High hazard” describes what lies downstream (people would probably die if the dam failed), not how likely the dam is to fail.
Industrial chemical releases
19 facilities in the county filed Toxics Release Inventory reports for 2024, together reporting 723,578 pounds of listed chemicals released on site. Reported releases are legal permitted amounts in most cases.
Disasters, air and water
St. Clair County was covered by 3 federal major disaster declarations from 2016 through 2025 (Flood 3), not counting COVID-19. In 2024, 3 of 366 monitored days had an air quality index of “unhealthy for sensitive groups” or worse (EPA). Of 27 community water systems, 1 had an open health-based drinking-water violation in EPA's records (September 2026). EPA puts the county in radon zone 2 (moderate). NHTSA counted 45 traffic deaths in the county in 2024, including 11 pedestrians.
Is there road construction in St. Clair County?
St. Clair County had 2 highway work zones in the October 11, 2026 feed from the state DOT (all active that day). Roads listed: IL-159 and I-64. 1 is on interstates. The map's construction layer is refreshed every morning.
See today's work zones on the map →
How many schools, nursing homes and parks are in St. Clair County?
Federal school lists show 93 public and 26 private schools in the county. 15 nursing homes are certified by Medicare or Medicaid here; star ratings for each are on the map and on Medicare's Care Compare. USGS mapping shows 53 fire or EMS stations and 22 police or sheriff stations. National Park Service sites here: Gateway Arch National Park. 1 state park or recreation area: Frank Holten State Park.
What tribal lands and sacred sites are in St. Clair County?
2 ancient or sacred sites are on the map here: Cahokia and Mound 72. Many are sacred to living communities, so visit respectfully and follow posted rules.
See them on the map: sacred sites →
Gun shops, liquor stores and Planned Parenthood in St. Clair County
Gun shops
7 gun shops with a public storefront are on the map in St. Clair County, plus 25 more licensed dealers without a public storefront (not shown). 2 of them are pawnshops licensed to sell guns. On the ATF list: Academy Sports + Outdoors #253 (O Fallon), Cash America Pawn (Cahokia), Liberty Pawn (Fairview Heights), Metro Shooting Supplies/ Belleville Shooting Range (Belleville), Paradis Gunsmithing (Belleville), Rural King Supply (Swansea) and Scott Exchange (Scott Afb).
Liquor stores
26 liquor stores are on the map in St. Clair County: All Mart Smoke Shop & Liquor (Mascoutah), All Mart Wines and Spirits (Smithton), Arena Liquor (Belleville), Belle vegas liquor store (Belleville), C and H (East St Louis), Cahokia Liquors Inc (Cahokia), Express Stop (East Saint Louis), Fairview Liquor and 18 more. Illinois has no complete public liquor licence list we can use, so this count also draws on OpenStreetMap and Overture Maps and may miss some stores or include closed ones.
Planned Parenthood
One Planned Parenthood health center is on the map in St. Clair County: Planned Parenthood of the St. Louis Region and Southwest Missouri (Fairview Heights).
See them on the map: gun shops · liquor stores · Planned Parenthood →
Sources: ATF licensee list (Sept 2026); state liquor licence lists, OpenStreetMap and Overture Maps (non-official; partial in some states); HHS Title X directory and CMS NPPES.
Common questions
What is the crime rate in St. Clair County?
St. Clair County averaged 469 reported violent crimes a year in 2021-2025, or 2.2 per 1,000 residents, 25% lower than the Illinois rate (3.0). The property-crime rate was 10.8 per 1,000 (FBI Uniform Crime Reporting).
What is the median household income in St. Clair County?
$73,854 (Census American Community Survey, 2020-2024 average), compared with $83,390 for Illinois and $80,734 nationally.
What is the unemployment rate in St. Clair County?
The newest monthly figure from the Bureau of Labor Statistics is 3.9% for August 2026 (preliminary), with 4,706 people out of work and looking.
What natural hazards affect St. Clair County?
On FEMA's National Risk Index, St. Clair County has an overall natural-hazard risk rating of “Relatively High”. Among the hazards we show, the highest-rated are tornadoes (Relatively High), river flooding (Relatively High) and heat waves (Relatively High).
Are there Superfund sites in St. Clair County?
EPA lists 3 active Superfund sites (final or proposed) in St. Clair County: Old American Zinc Plant, Sauget Area 2 and Sauget Area 1.
Is there road construction in St. Clair County right now?
St. Clair County had 2 highway work zones in the October 11, 2026 feed from the state DOT (all active that day). Roads listed: IL-159 and I-64. 1 is on interstates.
How many nursing homes are in St. Clair County?
15 Medicare- or Medicaid-certified nursing homes (CMS provider data, September 2026).
How does St. Clair County compare with neighboring counties?
| County | Population | Violent crimes per 1,000 (2021-25) | Median household income |
|---|---|---|---|
| Clinton County | 36,954 | 0.47 | $86,588 |
| Madison County | 264,238 | 2.6 | $75,793 |
| Monroe County | 35,036 | 0.43 | $102,880 |
| Randolph County | 30,058 | 0.64 | $68,131 |
| St. Louis County, MO | 995,569 | 4.0 | $82,936 |
| St. Louis city, MO | 288,512 | 14.4 | $56,160 |
| Washington County | 13,627 | 1.7 | $78,224 |
More: Illinois statewide numbers · Sex-offender registry search (U.S. Justice Department, NSOPW)
Where do these numbers come from?
- Crime: FBI Uniform Crime Reporting 2021-2025 (agency level, Return A), averaged and summed by county by Map the Block; Census population; state and national rates: FBI estimated crimes 2021-2025.
- Income, housing, education: U.S. Census Bureau, American Community Survey 2020-2024 5-year, table B19013 (median household income) and related tables.
- Monthly unemployment: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics (LAUS), county data, not seasonally adjusted. Public domain.
- Hazards: FEMA National Risk Index v1.20 (December 2025), county scores; disasters: FEMA OpenFEMA Disaster Declarations Summaries.
- Superfund: U.S. EPA, Superfund site boundaries and NPL status (October 2026). Dams: U.S. Army Corps of Engineers, National Inventory of Dams (public map service, October 2026). Chemical releases: U.S. EPA Toxics Release Inventory, reporting year 2024 (basic data file).
- Air and water: U.S. EPA AirData, annual AQI by county 2024; EPA Air Quality Design Values 2023-2025 (June 2026); U.S. EPA SDWIS via ECHO drinking-water download (September 30, 2026). Traffic deaths: NHTSA Fatality Analysis Reporting System (FARS) 2024; Census population.
- Work zones: State departments of transportation, via the U.S. DOT Work Zone Data Exchange (WZDx) and state 511 feeds; refreshed every morning (snapshot October 11, 2026).
- Schools: National Center for Education Statistics, EDGE public school locations 2024-25; budgets: U.S. Census Bureau, Annual Survey of School System Finances, fiscal year 2024; National Center for Education Statistics, EDGE Private School geocodes (Private School Survey 2023-24). Nursing homes: U.S. Centers for Medicare & Medicaid Services, Nursing Home Provider Information and Penalties (September 2026). Stations: U.S. Geological Survey, National Structures Dataset (Fire Stations/EMS Stations), October 2026 pull.
- Parks: USGS Protected Areas Database of the U.S. (PAD-US 4.1); state park agencies' open data (CA, NY, PA, TN, TX, FL, NJ, KY, HI, UT, MT and others); OpenStreetMap contributors for some hours, phones, fees and camping; U.S. National Park Service: unit boundaries (Land Resources Division), Acreage Report (Sept 30, 2026), park pages on nps.gov (hours, fees), Visitor Use Statistics (2025).
Map the Block shows public statistics about places, not people, and does not rate or rank neighborhoods as places to live. Figures are as published by each source; check the source before relying on a number.
Home · Open the map · All places · About the data · Privacy · Terms