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Seneca township, McHenry County, IL

2,881 Population
35.9 square miles 80.3 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

44.7 ±7.9 Median age
  • about 10 percent higher than the figure in McHenry County: 40.7 ±0.3
  • about 20 percent higher than the figure in Illinois: 39 ±0.1
  • about 20 percent higher than the figure in United States: 38.9 ±0.1

Economics

$53,212 ±$12,394 Per capita income
  • about 10 percent higher than the amount in McHenry County: $49,388 ±$1,058
  • about 20 percent higher than the amount in Illinois: $46,406 ±$212
  • about 20 percent higher than the amount in United States: $44,673 ±$122
$133,558 ±$22,855 Median household income
  • about 25 percent higher than the amount in McHenry County: $104,802 ±$2,178
  • about 1.5 times the amount in Illinois: $83,390 ±$362
  • more than 1.5 times the amount in United States: $80,734 ±$166

4.6% ±5.4% (133  ±155) Persons below poverty line
  • about three-quarters of the rate in McHenry County: 6.2% 19,335 (±0.6% / ±1,724)
  • about two-fifths of the rate in Illinois: 11.8% 1,464,937 (±0.2% / ±18,161)
  • about two-fifths of the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

33.8 minutes ±5.4 (42,085  ±9,695) Mean travel time to work
  • about 10 percent higher than the figure in McHenry County: 30.1 4,139,255 (±0.3 / ±73,648)
  • about 20 percent higher than the figure in Illinois: 27.8 143,793,920 (±0.1 / ±595,293)
  • about 1.3 times the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

1,017 ±188 Number of households
  • McHenry County: 117,594 ±563
  • Illinois: 5,036,449 ±8,009
  • United States: 129,227,496 ±209,365
2.8 ±0.5 (2,810  ±15) Persons per household
  • a little higher than the figure in McHenry County: 2.6 310,723 (±0 / ±49)
  • 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

N/A Women 15-50 who gave birth during past year

Housing

1,142 ±204 Number of housing units
  • McHenry County: 121,329 ±69
  • Illinois: 5,457,452 ±471
  • United States: 143,775,360 ±10,234

$408,900 ±$55,681 Median value of owner-occupied housing units
  • about 1.3 times the amount in McHenry County: $308,100 ±$3,743
  • about 1.5 times the amount in Illinois: $263,300 ±$797
  • about 25 percent higher than the amount in United States: $332,700 ±$236

9.7% ±6.2% (278  ±178.5) Moved since previous year
  • about 10 percent higher than the rate in McHenry County: 8.6% 26,514 (±0.7% / ±2,072.4)
  • about 90 percent of the rate in Illinois: 11.1% 1,396,426 (±0.1% / ±14,640.6)
  • about 80 percent of the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

87.4% ±10.1% (1,756  ±299.2) High school grad or higher
  • about 90 percent of the rate in McHenry County: 93.7% 202,590 (±1.5% / ±3,172.6)
  • a little less than the rate in Illinois: 90.5% 7,931,250 (±0.3% / ±22,974.6)
  • a little less than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
36.7% ±7.7% (738  ±179.3) Bachelor's degree or higher
  • a little higher than the rate in McHenry County: 35.2% 76,195 (±0.9% / ±1,911)
  • a little less than 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

12.3% ±6.3% (354  ±180) Foreign-born population
  • about 25 percent higher than the rate in McHenry County: 9.9% 31,059
  • about 80 percent of the rate in Illinois: 14.8% 1,872,449
  • about 90 percent of the rate in United States: 14.1% 47,349,080

4.7% ±3.5% (104  ±79) Population with veteran status
  • about 80 percent of the rate in McHenry County: 5.6% 13,409 (±0.4% / ±854)
  • a little less than the rate in Illinois: 4.8% 478,196 (±0.1% / ±4,766)
  • about three-quarters of the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
104 Total veterans ±79 104 Male ±79 N/A Female ±13

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