States · Illinois

Scott AFB, Illinois.

A community in St. Clair County, with no city government of its own. Zillow publishes no home prices for it.

Living in Scott AFB, St. Clair County, Illinois

Scott AFB, in St. Clair County, had 3,688 people in the 2020 census. Half its households earn more than $103,390 a year and half less, against $73,854 across St. Clair County; 6% of its people live below the poverty line. 3% of its homes are lived in by their owners and 97% are rented. Unemployment in St. Clair County was 3.9% in August 2026, and the county had 0.9% fewer jobs in 2025 than the year before. The most people in St. Clair County work in schools and health care, then professional services.

People 3,688 in the 2020 census; median age 26.6
Household income $103,390 the median, give or take $14,733 · St. Clair County: $73,854
Unemployment 3.9% St. Clair County, August 2026; 4.9% a year before
Homes 3% lived in by their owners; 97% rented
  • 1,304households
  • 34%of adults have a degree
  • 6%below the poverty line
  • 14 mintypical commute
  • 6%work from home

What people in St. Clair County work in

  • Schools, hospitals and social care25%
  • Professional and business services12%
  • Shops (retail)10%
  • Restaurants, hotels and entertainment10%
  • Manufacturing9%
  • Transport, warehouses and utilities8%

Employed residents by industry, from the Census survey. St. Clair County had 89,192 jobs in 2025, 0.9% fewer than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 43° and 24°; warmest in July, 90° and 68° 20° 40° 60° 80° 100° J 43° 24° F M A M J J 90° 68° A S O N D
Average daily high and low for each month: coldest in January, 43° and 24°; warmest in July, 90° and 68° 20° 40° 60° 80° 100° J 43° 24° F M A M J J 90° 68° A S O N D

Coldest in January, with highs near 43° and lows near 24°; warmest in July, with highs near 90° and lows near 68°. About 11 inches of snow and 43 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Belleville Siu Rsch weather station, 2 miles away (NOAA).

Largest workplaces in St. Clair County

  1. Memorial HospitalGeneral hospital1,573FTE
  2. Southwestern Illinois CollegeTwo-year college978
  3. St. Elizabeth HospitalGeneral hospital878FTE
  4. Advancepierre FoodsFrozen specialty food manufacturing837
  5. Gulfstream St. LouisAircraft maintenance and repair services728
  6. O Fallon CCSD 90School district683FTE
  7. AmazonGeneral warehousing and storage653
  8. East St Louis SD 189School district643FTE

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 210 workplaces with 20 or more staff, 24,885 people in all across the county; Scott AFB has none of its own. Hospitals come from their Medicare cost reports (CMS, 2023), colleges from IPEDS (NCES, 2023–24) and school districts from the Common Core of Data (NCES, 2023–24); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. EarthquakesRelatively moderate
  2. HailRelatively moderate
  3. Heat wavesRelatively moderate
  4. TornadoesRelatively moderate
  5. Cold wavesRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Scott AFB’s census tracts, against the rest of the country; all of them together, relatively low. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out.