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Affton, MO

20,035 Population
4.6 square miles 4,383.6 people per square mile

Census data: ACS 2023 5-year unless noted

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Demographics

41.7 ±2.5 Median age
  • a little higher than the figure in the St. Louis, MO-IL Metro Area: 39.8 ±0.2
  • about 10 percent higher than the figure in Missouri: 38.9 ±0.1

Economics

$43,832 ±$4,356 Per capita income
  • about the same as the amount in the St. Louis, MO-IL Metro Area: $44,689 ±$304
  • about 10 percent higher than the amount in Missouri: $38,497 ±$194
$77,337 ±$6,678 Median household income
  • about the same as the amount in the St. Louis, MO-IL Metro Area: $78,225 ±$675
  • about 10 percent higher than the amount in Missouri: $68,920 ±$368

5.6% ±1.7% (1,111  ±356) Persons below poverty line
  • about half the rate in the St. Louis, MO-IL Metro Area: 10.3% 283,828 (±0.3% / ±7,339)
  • about two-fifths of the rate in Missouri: 12.6% 756,528 (±0.2% / ±11,728)

23 minutes ±3 (238,390  ±21,770) Mean travel time to work
  • about 90 percent of the figure in the St. Louis, MO-IL Metro Area: 25.1 30,087,170 (±0.2 / ±245,452)
  • a little less than the figure in Missouri: 23.7 61,430,776 (±0.1 / ±342,703)

Families

8,862 ±497 Number of households
  • the St. Louis, MO-IL Metro Area: 1,154,841 ±3,246
  • Missouri: 2,484,834 ±6,166
2.3 ±0.1 (20,022  ±1,268) 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 Missouri: 2.4 6,003,171

6.1% ±1.7% (270  ±84) Women 15-50 who gave birth during past year
  • about 20 percent higher than the rate in the St. Louis, MO-IL Metro Area: 5% 32,578 (±0.2% / ±1,463)
  • about 10 percent higher than the rate in Missouri: 5.4% 76,199 (±0.2% / ±2,436)

Housing

9,278 ±509 Number of housing units
  • the St. Louis, MO-IL Metro Area: 1,267,353 ±337
  • Missouri: 2,809,501 ±603

$200,300 ±$7,238 Median value of owner-occupied housing units
  • about 90 percent of the amount in the St. Louis, MO-IL Metro Area: $232,100 ±$1,247
  • about 90 percent of the amount in Missouri: $215,600 ±$942

8.3% ±2.2% (1,645  ±451.3) Moved since previous year
  • about two-thirds of the rate in the St. Louis, MO-IL Metro Area: 11.7% 326,459 (±0.3% / ±7,652.9)
  • about two-thirds of the rate in Missouri: 13.1% 797,185 (±0.2% / ±11,214.7)

Social

92.6% ±2% (13,742  ±887.2) High school grad or higher
  • about the same as 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 Missouri: 91.6% 3,862,700 (±0.4% / ±14,882.9)
35% ±2.7% (5,193  ±510.6) Bachelor's degree or higher
  • about 90 percent of the rate in the St. Louis, MO-IL Metro Area: 37.6% 736,151 (±0.3% / ±6,591.4)
  • about 10 percent higher than the rate in Missouri: 31.9% 1,345,230 (±0.2% / ±8,913.9)

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

13.4% ±3.4% (2,689  ±707) Foreign-born population
  • more than double the rate in the St. Louis, MO-IL Metro Area: 5% 141,431
  • more than double the rate in Missouri: 4.4% 269,902

7% ±1.9% (1,146  ±317) Population with veteran status
  • a little less than the rate in the St. Louis, MO-IL Metro Area: 7.3% 159,471 (±0.1% / ±2,434)
  • a little less than the rate in Missouri: 7.4% 354,505 (±0.1% / ±4,081)
1,146 Total veterans ±317 1,069 Male ±286 77 Female ±80

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