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St. Clair County, IL

251,018 Population
657.7 square miles 381.6 people per square mile

Census data: ACS 2023 1-year unless noted

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Demographics

39.7 ±0.6 Median age
  • about the same as the figure in Illinois: 39.5 ±0.1
  • about the same as the figure in United States: 39.2 ±0.1

Economics

$38,652 ±$2,196 Per capita income
  • about 90 percent of the amount in Illinois: $45,043 ±$388
  • about 90 percent of the amount in United States: $43,313 ±$91
$65,546 ±$3,892 Median household income
  • about 80 percent of the amount in Illinois: $80,306 ±$635
  • about 80 percent of the amount in United States: $77,719 ±$186

12.7% ±2.2% (30,850  ±5,366) Persons below poverty line
  • about 10 percent higher than the rate in Illinois: 11.6% 1,426,517 (±0.3% / ±30,335)
  • about the same as the rate in United States: 12.5% 40,763,044 (±0.1% / ±277,214)

24.6 minutes ±1.3 (2,544,540  ±175,012) Mean travel time to work
  • about 90 percent of the figure in Illinois: 28.1 150,482,720 (±0.2 / ±1,340,109)
  • about 90 percent of the figure in United States: 26.8 3,749,033,000 (±0 / ±7,372,533)

Families

102,701 ±2,544 Number of households
  • Illinois: 5,071,288 ±14,337
  • United States: 131,332,360 ±130,190
2.4 ±0.1 (246,191  ±198) Persons per household
  • about the same as the figure in Illinois: 2.4 12,271,503
  • a little less than the figure in United States: 2.5 326,701,630

6.2% ±2.2% (3,537  ±1,269) Women 15-50 who gave birth during past year
  • about 1.3 times the rate in Illinois: 4.8% 141,318 (±0.2% / ±5,490)
  • about 20 percent higher than the rate in United States: 5.2% 4,018,933 (±0.1% / ±41,679)

Housing

116,260 ±92 Number of housing units
  • Illinois: 5,470,727 ±527
  • United States: 145,333,460 ±10,062

$185,400 ±$10,739 Median value of owner-occupied housing units
  • about two-thirds of the amount in Illinois: $263,300 ±$1,622
  • about half the amount in United States: $340,200 ±$571

11.1% ±2% (27,501  ±4,927.1) Moved since previous year
  • about the same as the rate in Illinois: 10.8% 1,344,235 (±0.3% / ±31,091.9)
  • about 90 percent of the rate in United States: 12.1% 40,001,900 (±0.1% / ±198,133.8)

Social

93.1% ±3.7% (162,210  ±6,518.4) High school grad or higher
  • a little higher than the rate in Illinois: 90.6% 7,888,008 (±0.5% / ±44,765.7)
  • a little higher than the rate in United States: 89.8% 208,092,664 (±0.1% / ±278,776.4)
30.8% ±2.1% (53,622  ±3,730) Bachelor's degree or higher
  • about 80 percent of the rate in Illinois: 38.3% 3,334,374 (±0.3% / ±28,654.7)
  • about 80 percent of the rate in United States: 36.2% 83,816,088 (±0.1% / ±181,834.5)

N/A Persons with language other than English spoken at home

3.3% (8,363  ±2,010) Foreign-born population
  • about one-fifth of the rate in Illinois: 15% 1,878,890
  • about one-quarter of the rate in United States: 14.3% 47,831,412

11.7% ±1.3% (22,071  ±2,474) Population with veteran status
  • more than double the rate in Illinois: 4.7% 459,569 (±0.1% / ±11,336)
  • nearly double the rate in United States: 6.1% 15,813,955 (±0% / ±66,116)
22,071 Total veterans ±2,474 18,012 Male ±2,027 4,059 Female ±1,049

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