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Island Grove township, Sangamon County, IL

467 Population
28.1 square miles 16.6 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

59.3 ±12.1 Median age
  • about 1.5 times the figure in Sangamon County: 41 ±0.2
  • about 1.5 times the figure in Illinois: 39 ±0.1
  • about 1.5 times the figure in United States: 38.9 ±0.1

Economics

$68,932 ±$21,923 Per capita income
  • about 1.5 times the amount in Sangamon County: $44,151 ±$904
  • about 1.5 times the amount in Illinois: $46,406 ±$212
  • about 1.5 times the amount in United States: $44,673 ±$122
$95,208 ±$22,483 Median household income
  • about 25 percent higher than the amount in Sangamon County: $75,357 ±$1,749
  • about 10 percent higher than the amount in Illinois: $83,390 ±$362
  • about 20 percent higher than the amount in United States: $80,734 ±$166

6.6% ±5.9% (31  ±29) Persons below poverty line
  • about half the rate in Sangamon County: 13.1% 25,082 (±1% / ±1,962)
  • about three-fifths of 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)

23.8 minutes ±3.4 (4,920  ±2,477) Mean travel time to work
  • about 20 percent higher than the figure in Sangamon County: 19.7 1,528,100 (±0.5 / ±51,146)
  • about 90 percent of the figure in Illinois: 27.8 143,793,920 (±0.1 / ±595,293)
  • about 90 percent of the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

231 ±58 Number of households
  • Sangamon County: 84,762 ±732
  • Illinois: 5,036,449 ±8,009
  • United States: 129,227,496 ±209,365
2 ±0.4 (467  ±146) Persons per household
  • about 90 percent of the figure in Sangamon County: 2.3 190,999 (±0 / ±157)
  • about 80 percent of the figure in Illinois: 2.5 12,405,980
  • about 80 percent of the figure in United States: 2.5 326,722,430

8% ±9.6% (7  ±10) Women 15-50 who gave birth during past year
  • about 1.4 times the rate in Sangamon County: 5.8% † 2,530 (±1% / ±443)
  • more than 1.5 times the rate in Illinois: 4.9% 147,208 (±0.1% / ±3,564)
  • about 1.5 times the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

241 ±60 Number of housing units
  • Sangamon County: 93,382 ±103
  • Illinois: 5,457,452 ±471
  • United States: 143,775,360 ±10,234

$274,200 ±$61,146 Median value of owner-occupied housing units
  • about 1.5 times the amount in Sangamon County: $176,300 ±$4,624
  • a little higher than the amount in Illinois: $263,300 ±$797
  • about 80 percent of the amount in United States: $332,700 ±$236

5% ±7.1% (23  ±33.6) Moved since previous year
  • about half the rate in Sangamon County: 10.6% 20,384 (±0.7% / ±1,341.1)
  • about half the rate in Illinois: 11.1% 1,396,426 (±0.1% / ±14,640.6)
  • about two-fifths of the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

95.2% ±37.4% (373  ±100.7) High school grad or higher
  • about the same as the rate in Sangamon County: 94.1% 128,622 (±1.9% / ±2,524.1)
  • a little higher than the rate in Illinois: 90.5% 7,931,250 (±0.3% / ±22,974.6)
  • a little higher than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
20.4% ±13% (80  ±55.7) Bachelor's degree or higher
  • about three-fifths of the rate in Sangamon County: 36.6% 50,028 (±1.1% / ±1,507)
  • about half the rate in Illinois: 37.9% 3,318,149 (±0.2% / ±14,295.2)
  • about three-fifths of 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

N/A Foreign-born population

3.9% ±4% (17  ±18) Population with veteran status
  • about three-fifths of the rate in Sangamon County: 6.6% 9,968 (±0.5% / ±696)
  • about 80 percent 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)
17 Total veterans ±18 17 Male ±18 N/A Female ±13

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