Each edition grades its towns against each other only.
A town of 35,372, settled in 1885.
St. Clair Township is a solid, middle-of-the-road choice. It grades B− overall, 482nd among Illinois's 767 graded towns, with no subject far below average. Its best mark is incomes: the median household earns $80K. A typical home there costs about $202K, 2.5 years of the St. Louis metro’s $80K median household income. St. Clair Township is easier to get around on foot or by transit than 83% of U.S. towns. St. Clair Township’s July high is 89°F, above both Illinois’ towns (84°F) and U.S. towns (85°F). The biggest park or preserve is Centenial Park, at 29 acres.
Where St. Clair Township beats most towns.
Where St. Clair Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
Each subject compared with towns across the country (schools within Illinois), ordered by how far St. Clair Township is from typical.
How TownRatings grades towns →
The archive holds 4 old photos and papers and 7 maps from 1907 on.
Museums, parks, gardens and other places to visit around St. Clair Township. Close and well known come first.
Big draw10 mi State parkCahokia
Big draw13 mi Stadium & arenaThe Dome at America's Center
13 mi Stadium & arenaBusch Stadium
12 mi National ParkGateway Arch National Park2.2M visitors a year
10 mi LandmarkMonks Mound
14 mi Stadium & arenaEnterprise CenterCahokia: Thank You (24 Millions ) views, CC BY 2.0 · The Dome at America's Center: Paul Sableman, CC BY 2.0 · Busch Stadium: Lee Ann Ratledge, CC BY 4.0 · Gateway Arch National Park: Daniel Schwen, CC BY-SA 4.0 · Monks Mound: Skubasteve834, CC BY-SA 3.0 · Enterprise Center: Haaron755, CC BY-SA 3.0
Who provides power, water and the rest in St. Clair Township, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
Ordered by what stands out in St. Clair Township.
St. Clair Township sends many workers across the state line to St. Louis, but it trails Shiloh Valley Township and its other neighbors on schools.
21% of working residents cross a state line to work, St. Louis among the top destinations.
Most working residents leave St. St. Clair Township’s average trip to work is 23 minutes. Clair Township for work: only 5% work in town.
| St. Clair Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 23 minutes | 26 minutes | 25 minutes |
| Below the poverty line | 12% | 8.4% | 9.6% |
| Working residents who work in town | 5.1% | 8.4% | 8% |
| Work from home | 13% | 11% | 11% |
Census LEHD 2023 · ACS
Each of its 6 graded neighbors has a higher School Grade than its C+, Shiloh Valley Township highest at A.
Its public schools are run by Whiteside SD 115. Two of its 6 schools are below, each with why it’s listed.
| School | Level | Students | Letter |
|---|---|---|---|
| Whiteside Elem SchoolLargest public elementary schoolGrades PK–4 | Grades PK–4 | 680 | C+ |
| Wolf Branch Middle SchoolTop results in townGrades 5–8 | Grades 5–8 | 341 | A |
NCES · EDFacts · graded within IL on state tests and graduation
| St. Clair Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Conserved land | 2.7% | 3.7% | 4.3% |
| Miles of trail per square mile | 0.3 miles per square mile | 0.3 | 0.4 |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Centenial Park | 0.9 mi | 29 |
| 2. Melvin Price Memorial City Park | 0.5 mi | 26 |
| 3. Schranz Memorial Park | 0.4 mi | 12 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Expected storm and flood damage is higher than in 69% of U.S. communities. Since 1978, 38 flood insurance claims have been paid out in St. Clair Township.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
The January low in St. Clair Township is 23°F. Clair Township has chilly winters and warm summers.
NOAA U.S. Climate Normals, 1991–2020
38% of St. Clair Township adults have high blood pressure. Clair Township beats the Illinois average on 2 of 32 CDC measures and trails it on 3. 38% of St. Clair Township adults sleep under 7 hours.
| St. Clair Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 38% | 35% | 35% |
| Sleep under 7 hours (CDC PLACES) | 38% | 35% | 36% |
| Yearly checkup (CDC PLACES) | 80% | 78% | 79% |
| Obesity (CDC PLACES) | 38% | 37% | 35% |
| What stands out | St. Clair Township | IL |
|---|---|---|
| Fewer uninsured adults | 7.3% | 9.9% |
| More adults screened for colon cancer | 66.9% | 60.2% |
| More adults facing a utility shut-off | 9.3% | 7.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
No broad age group is more than 4 points off the Illinois average. 36% of adults 25 and older hold a bachelor’s degree or more in St. Clair Township.
| St. Clair Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Bachelor’s degree or more, 25+ | 36% | 29% | 29% |
| Under 18 | 20% | 22% | 22% |
| Median age | 42.4 years | 40.7 years | 40.5 years |
51% women, 49% men
That’s an even split within the survey’s margin of ±1.6 points. Across Illinois, 50.6% of residents are women. Median age: women 43.5, men 41.0.
| St. Clair Township | IL | U.S. | |
|---|---|---|---|
| Under 10 | 9.6% | 11.5% | 11.6% |
| 10 to 17 | 10.8% | 10.4% | 10.3% |
| 18 to 24 | 8.6% | 9.1% | 9.1% |
| 25 to 34 | 12.6% | 13.6% | 13.7% |
| 35 to 44 | 12.8% | 13.3% | 13.2% |
| 45 to 54 | 11% | 12.4% | 12.2% |
| 55 to 64 | 16% | 12.8% | 12.7% |
| 65 to 74 | 11.6% | 10% | 10.2% |
| 75 and older | 7% | 7% | 7% |
| No diploma | 5.4% | 9.5% | 10.4% |
| High school | 24.5% | 25.1% | 26% |
| Some college | 22.5% | 19.2% | 19.1% |
| Associate’s | 11.9% | 8.3% | 8.8% |
| Bachelor’s | 20.1% | 22.6% | 21.6% |
| Graduate | 15.6% | 15.3% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates
5 within 15 miles of the center of St. Clair Township
About 7 of every 100 St. Clair Township residents are enrolled in college, about the same as Illinois.
Township in Illinois, United States
St. Clair Township is located in St. Clair County, Illinois. As of the 2010 census, its population was 35,498 and it contained 15,366 housing units. St. Clair Township formed from a portion of Belleville Township on October 5, 1885.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
9 towns share a border with St. Clair Township.
Shiloh Valley Township next door grades higher for schools (A to St. Clair Township’s C+) and lower for cost of living (C− to B−).
| Town | IL rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| St. Clair Township | #482 | B− | B− | — | C+ | B− |
| Belleville | #595 | C | B | C− | B− | C+ |
| Swansea | #266 | A− | B− | B+ | B+ | B+ |
| Stookey Township | #226 | A− | B | — | B+ | B |
| Caseyville Township | #342 | B+ | C+ | — | B | B |
| Smithton Township | — | — | — | — | — | — |
| Shiloh Valley Township | #170 | A | C− | — | A | A− |
| Shiloh | #156 | A | C | B+ | A− | A− |
St. Clair Township, Stookey Township, Caseyville Township and Shiloh Valley Township report no FBI crime data of their own. Smithton Township isn’t graded (fewer than 1,000 residents, or not enough data). Compare St. Clair Township with a neighbor →
Short answers, built from the data on this page.
St. Clair Township grades B− overall, better than 49% of U.S. towns and #482 of 767 in Illinois. It grades B− for health and C+ for schools. Hazard risk is its weak spot, with a C−.
Louis, MO-IL metro area). Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades B−.
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