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Waterloo, IL

11,129 Population
8.3 square miles 1,343 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

41.5 ±2.6 Median age
  • a little higher than the figure in the St. Louis, MO-IL Metro Area: 39.9 ±0.1
  • a little higher than the figure in Illinois: 39 ±0.1
  • about 10 percent higher than the figure in United States: 38.9 ±0.1

Economics

$47,421 ±$3,857 Per capita income
  • a little higher than the amount in the St. Louis, MO-IL Metro Area: $45,864 ±$341
  • about the same as the amount in Illinois: $46,406 ±$212
  • a little higher than the amount in United States: $44,673 ±$122
$98,711 ±$12,639 Median household income
  • about 25 percent higher than the amount in the St. Louis, MO-IL Metro Area: $80,196 ±$701
  • about 20 percent higher than the amount in Illinois: $83,390 ±$362
  • about 25 percent higher than the amount in United States: $80,734 ±$166

5.9% ±1.9% (641  ±211) Persons below poverty line
  • about three-fifths of the rate in the St. Louis, MO-IL Metro Area: 10.5% 288,411 (±0.3% / ±7,791)
  • about half the rate in Illinois: 11.8% 1,464,937 (±0.2% / ±18,161)
  • about half the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

26.8 minutes ±1.3 (134,590  ±11,866) Mean travel time to work
  • about 10 percent higher than the figure in the St. Louis, MO-IL Metro Area: 24.9 29,218,560 (±0.2 / ±265,717)
  • a little less than the figure in Illinois: 27.8 143,793,920 (±0.1 / ±595,293)
  • about the same as the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

4,491 ±227 Number of households
  • the St. Louis, MO-IL Metro Area: 1,160,386 ±3,136
  • Illinois: 5,036,449 ±8,009
  • United States: 129,227,496 ±209,365
2.4 ±0.1 (10,906  ±50) Persons per household
  • a little higher than the figure in the St. Louis, MO-IL Metro Area: 2.4 2,753,388 (±0 / ±453)
  • about the same as the figure in Illinois: 2.5 12,405,980
  • a little less than the figure in United States: 2.5 326,722,430

3.2% ±2.5% (74  ±58) Women 15-50 who gave birth during past year
  • about two-thirds of the rate in the St. Louis, MO-IL Metro Area: 4.9% 31,839 (±0.2% / ±1,447)
  • about two-thirds of the rate in Illinois: 4.9% 147,208 (±0.1% / ±3,564)
  • about three-fifths of the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

4,818 ±232 Number of housing units
  • the St. Louis, MO-IL Metro Area: 1,273,302 ±326
  • Illinois: 5,457,452 ±471
  • United States: 143,775,360 ±10,234

$249,500 ±$17,511 Median value of owner-occupied housing units
  • about the same as the amount in the St. Louis, MO-IL Metro Area: $244,800 ±$1,415
  • a little less than the amount in Illinois: $263,300 ±$797
  • about three-quarters of the amount in United States: $332,700 ±$236

8.9% ±2.4% (984  ±270.6) Moved since previous year
  • about 80 percent of the rate in the St. Louis, MO-IL Metro Area: 11.4% 316,977 (±0.3% / ±7,177.6)
  • about 80 percent of the rate in Illinois: 11.1% 1,396,426 (±0.1% / ±14,640.6)
  • about three-quarters of the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

96.7% ±7.2% (7,620  ±625.6) High school grad or higher
  • a little higher than the rate in the St. Louis, MO-IL Metro Area: 93.6% 1,840,791 (±0.5% / ±10,454.6)
  • about 10 percent higher than the rate in Illinois: 90.5% 7,931,250 (±0.3% / ±22,974.6)
  • about 10 percent higher than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
37.3% ±4.3% (2,939  ±352) Bachelor's degree or higher
  • about the same as the rate in the St. Louis, MO-IL Metro Area: 38.2% 750,935 (±0.3% / ±6,330)
  • about the same as the rate in Illinois: 37.9% 3,318,149 (±0.2% / ±14,295.2)
  • a little higher than the rate in United States: 35.7% 82,363,217 (±0.1% / ±182,857.7)

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

2.7% ±1.1% (297  ±125) Foreign-born population
  • about half the rate in the St. Louis, MO-IL Metro Area: 5.2% 146,100
  • about one-fifth of the rate in Illinois: 14.8% 1,872,449
  • about one-fifth of the rate in United States: 14.1% 47,349,080

8.8% ±2.7% (768  ±233) Population with veteran status
  • about 25 percent higher than the rate in the St. Louis, MO-IL Metro Area: 7.1% 155,770 (±0.1% / ±2,618)
  • nearly double the rate in Illinois: 4.8% 478,196 (±0.1% / ±4,766)
  • about 1.4 times the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
768 Total veterans ±233 658 Male ±188 110 Female ±94

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