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Alton, IL

25,430 Population
15.7 square miles 1,622.8 people per square mile

Census data: ACS 2023 5-year unless noted

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Demographics

38.4 ±1.8 Median age
  • a little less than the figure in the St. Louis, MO-IL Metro Area: 39.8 ±0.2
  • about the same as the figure in Illinois: 38.9 ±0.1

Economics

$28,970 ±$1,757 Per capita income
  • about two-thirds of the amount in the St. Louis, MO-IL Metro Area: $44,689 ±$304
  • about two-thirds of the amount in Illinois: $45,104 ±$196
$53,005 ±$3,503 Median household income
  • about two-thirds of the amount in the St. Louis, MO-IL Metro Area: $78,225 ±$675
  • about two-thirds of the amount in Illinois: $81,702 ±$363

24.5% ±3.6% (6,091  ±883) Persons below poverty line
  • more than double the rate in the St. Louis, MO-IL Metro Area: 10.3% 283,828 (±0.3% / ±7,339)
  • more than double the rate in Illinois: 11.7% 1,454,217 (±0.2% / ±18,530)

23.7 minutes ±1.4 (245,810  ±21,680) Mean travel time to work
  • a little less than the figure in the St. Louis, MO-IL Metro Area: 25.1 30,087,170 (±0.2 / ±245,452)
  • about 80 percent of the figure in Illinois: 28.1 148,440,910 (±0.1 / ±701,124)

Families

10,811 ±399 Number of households
  • the St. Louis, MO-IL Metro Area: 1,154,841 ±3,246
  • Illinois: 5,001,904 ±7,673
2.3 ±0.1 (24,846  ±44) Persons per household
  • a little less than the figure in the St. Louis, MO-IL Metro Area: 2.4 2,753,676 (±0 / ±541)
  • about 90 percent of the figure in Illinois: 2.5 12,414,044

3.2% ±1.5% (194  ±90) Women 15-50 who gave birth during past year
  • about three-fifths of the rate in the St. Louis, MO-IL Metro Area: 5% 32,578 (±0.2% / ±1,463)
  • about three-fifths of the rate in Illinois: 5% 150,099 (±0.1% / ±3,035)

Housing

12,513 ±378 Number of housing units
  • the St. Louis, MO-IL Metro Area: 1,267,353 ±337
  • Illinois: 5,443,501 ±767

$99,500 ±$5,091 Median value of owner-occupied housing units
  • about two-fifths of the amount in the St. Louis, MO-IL Metro Area: $232,100 ±$1,247
  • about two-fifths of the amount in Illinois: $250,500 ±$863

14.9% ±3.1% (3,763  ±788.3) Moved since previous year
  • about 25 percent higher than the rate in the St. Louis, MO-IL Metro Area: 11.7% 326,459 (±0.3% / ±7,652.9)
  • about 1.3 times the rate in Illinois: 11.5% 1,442,284 (±0.1% / ±14,975.1)

Social

90.8% ±4.2% (15,982  ±870.6) High school grad or higher
  • a little less than the rate in the St. Louis, MO-IL Metro Area: 93.3% 1,828,862 (±0.5% / ±10,486.7)
  • about the same as the rate in Illinois: 90.3% 7,887,284 (±0.3% / ±22,684.6)
21.2% ±2.1% (3,725  ±385.8) Bachelor's degree or higher
  • about three-fifths of the rate in the St. Louis, MO-IL Metro Area: 37.6% 736,151 (±0.3% / ±6,591.4)
  • about three-fifths of the rate in Illinois: 37.2% 3,249,494 (±0.2% / ±13,788.4)

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

2.3% ±0.8% (595  ±204) Foreign-born population
  • about half the rate in the St. Louis, MO-IL Metro Area: 5% 141,431
  • less than a fifth of the rate in Illinois: 14.5% 1,833,810

8.7% ±1.3% (1,693  ±251) Population with veteran status
  • about 20 percent higher than the rate in the St. Louis, MO-IL Metro Area: 7.3% 159,471 (±0.1% / ±2,434)
  • more than 1.5 times the rate in Illinois: 5% 493,667 (±0.1% / ±4,919)
1,693 Total veterans ±251 1,495 Male ±233 198 Female ±103

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