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Cortland township, DeKalb County, IL

11,312 Population
35 square miles 322.9 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

35.1 ±2.4 Median age
  • about 10 percent higher than the figure in DeKalb County: 32.7 ±0.4
  • about 90 percent of the figure in Illinois: 39 ±0.1
  • about 90 percent of the figure in United States: 38.9 ±0.1

Economics

$41,197 ±$2,827 Per capita income
  • about 10 percent higher than the amount in DeKalb County: $36,298 ±$1,053
  • about 90 percent of the amount in Illinois: $46,406 ±$212
  • about 90 percent of the amount in United States: $44,673 ±$122
$99,292 ±$10,637 Median household income
  • about 1.4 times the amount in DeKalb County: $70,724 ±$2,546
  • 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

6% ±2.9% (680  ±323) Persons below poverty line
  • about two-fifths of the rate in DeKalb County: 14.8% † 14,186 (±1.7% / ±1,635)
  • 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)

26.3 minutes ±2.1 (140,145  ±14,761) Mean travel time to work
  • about the same as the figure in DeKalb County: 26.7 1,228,360 (±1.2 / ±63,949)
  • 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

4,106 ±190 Number of households
  • DeKalb County: 39,550 ±403
  • Illinois: 5,036,449 ±8,009
  • United States: 129,227,496 ±209,365
2.8 ±0.1 (11,312  ±32) Persons per household
  • about 10 percent higher than the figure in DeKalb County: 2.4 95,884 (±0 / ±126)
  • about 10 percent higher than the figure in Illinois: 2.5 12,405,980
  • about 10 percent higher than the figure in United States: 2.5 326,722,430

6.8% ±2.9% (195  ±86) Women 15-50 who gave birth during past year
  • about 1.5 times the rate in DeKalb County: 4.4% † 1,168 (±0.9% / ±246)
  • about 1.4 times the rate in Illinois: 4.9% 147,208 (±0.1% / ±3,564)
  • about 1.3 times the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

4,233 ±211 Number of housing units
  • DeKalb County: 41,678 ±77
  • Illinois: 5,457,452 ±471
  • United States: 143,775,360 ±10,234

$263,500 ±$11,457 Median value of owner-occupied housing units
  • about 10 percent higher than the amount in DeKalb County: $243,600 ±$5,310
  • about the same as the amount in Illinois: $263,300 ±$797
  • about 80 percent of the amount in United States: $332,700 ±$236

15.9% ±5.2% (1,785  ±580.6) Moved since previous year
  • about 90 percent of the rate in DeKalb County: 17.2% 17,090 (±1.5% / ±1,475.7)
  • about 1.4 times the rate in Illinois: 11.1% 1,396,426 (±0.1% / ±14,640.6)
  • about 1.3 times the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

96.5% ±6.7% (7,063  ±566.2) High school grad or higher
  • a little higher than the rate in DeKalb County: 92.2% 55,925 (±2.7% / ±1,655.3)
  • 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)
40.9% ±4.6% (2,996  ±355.2) Bachelor's degree or higher
  • about 25 percent higher than the rate in DeKalb County: 33% 19,980 (±1.6% / ±985.4)
  • about 10 percent higher than the rate in Illinois: 37.9% 3,318,149 (±0.2% / ±14,295.2)
  • about 20 percent 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

3.8% ±1.5% (425  ±173) Foreign-born population
  • about three-fifths of the rate in DeKalb County: 6.4% 6,483
  • about one-quarter of the rate in Illinois: 14.8% 1,872,449
  • about one-quarter of the rate in United States: 14.1% 47,349,080

3.5% ±1% (290  ±88) Population with veteran status
  • about two-thirds of the rate in DeKalb County: 5.2% † 4,092 (±0.6% / ±459)
  • about three-quarters of the rate in Illinois: 4.8% 478,196 (±0.1% / ±4,766)
  • about three-fifths of the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
290 Total veterans ±88 286 Male ±88 4 Female ±6

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