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O'Fallon township, St. Clair County, IL

26,344 Population
35.1 square miles 750.3 people per square mile

Census data: ACS 2022 5-year unless noted

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Demographics

39.2 ±1.7 Median age
  • about the same as the figure in St. Clair County: 39.4 ±0.2
  • about the same as the figure in Illinois: 38.7 ±0.1

Economics

$47,030 ±$2,565 Per capita income
  • about 1.3 times the amount in St. Clair County: $36,010 ±$695
  • about 10 percent higher than the amount in Illinois: $43,198 ±$199
$95,423 ±$8,845 Median household income
  • about 1.4 times the amount in St. Clair County: $68,915 ±$1,832
  • about 25 percent higher than the amount in Illinois: $78,433 ±$297

4.9% ±2% (1,288  ±530) Persons below poverty line
  • about one-third of the rate in St. Clair County: 13.8% 34,784 (±1% / ±2,538)
  • about two-fifths of the rate in Illinois: 11.8% 1,467,893 (±0.1% / ±16,574)

25.3 minutes ±1.9 (271,590  ±26,117) Mean travel time to work
  • about the same as the figure in St. Clair County: 24.8 2,728,910 (±0.5 / ±73,462)
  • about 90 percent of the figure in Illinois: 28.4 154,142,480 (±0.1 / ±641,806)

Families

10,072 ±345 Number of households
  • St. Clair County: 100,701 ±947
  • Illinois: 4,968,761 ±7,953
2.6 ±0.1 (26,226  ±45) Persons per household
  • a little higher than the figure in St. Clair County: 2.5 252,742 (±0 / ±75)
  • a little higher than the figure in Illinois: 2.5 12,480,854

9% ±3.3% (520  ±195) Women 15-50 who gave birth during past year
  • about 1.5 times the rate in St. Clair County: 5.8% † 3,443 (±0.9% / ±522)
  • more than 1.5 times the rate in Illinois: 5.1% 152,825 (±0.1% / ±3,352)

Housing

10,762 ±350 Number of housing units
  • St. Clair County: 115,165 ±149
  • Illinois: 5,427,357 ±1,016

$251,800 ±$9,816 Median value of owner-occupied housing units
  • about 1.5 times the amount in St. Clair County: $158,500 ±$3,994
  • a little higher than the amount in Illinois: $239,100 ±$749

11.2% ±2.2% (2,895  ±573) Moved since previous year
  • a little less than the rate in St. Clair County: 11.9% 30,269 (±1% / ±2,494.4)
  • a little less than the rate in Illinois: 11.8% 1,494,528 (±0.1% / ±15,496.9)

Social

96.2% ±4.4% (16,955  ±,938.5) High school grad or higher
  • a little higher than the rate in St. Clair County: 92.2% 161,632 (±1.8% / ±3,165.1)
  • about 10 percent higher than the rate in Illinois: 90.1% 7,883,680 (±0.3% / ±22,258.1)
47.2% ±3.2% (8,312  ±,623.7) Bachelor's degree or higher
  • about 1.5 times the rate in St. Clair County: 30.4% 53,238 (±1% / ±1,744.8)
  • about 1.3 times the rate in Illinois: 36.7% 3,207,450 (±0.2% / ±14,003.2)

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

3.5% ±0.8% (913  ±219) Foreign-born population
  • about 10 percent higher than the rate in St. Clair County: 3.2% 8,150
  • about one-quarter of the rate in Illinois: 14.2% 1,804,681

20.1% ±2% (3,855  ±399) Population with veteran status
  • more than 1.5 times the rate in St. Clair County: 12.2% 23,588 (±0.5% / ±1,038)
  • more than double the rate in Illinois: 5.2% 518,426 (±0.1% / ±6,053)
3,855 Total veterans ±399 3,371 Male ±367 484 Female ±154

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