- State:IllinoisCounty:DeKalb CountyZips:60111,60129,60145,60550,60150,60146,60112,60556,60520,60135,60548,60178,60115Coordinates:41.893529248348734, -88.77031583920733Area total:634.64 sq. mi., 1643.72 sq. km, 406171.52 acresArea land:631.34 sq. mi., 1635.15 sq. km, 404055.68 acresArea water:3.31 sq. mi., 8.56 sq. km, 2115.84 acresEstablished:1837Capital seat:
Sycamore
Address: 200 N Main Street
Legislative Center
Sycamore, IL 60178-1413
Governing Body: Board of Commissioners with 24 board size
Governing Authority: Dillon's Rule
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DeKalb County, Illinois, United States
- Website:
- Population:100,420; Population change: -4.51% (2010 - 2020)Population density:159 persons per square mileHousehold income:$54,143Households:7,525Unemployment rate:8.20% per 53,031 county labor force
- Sales taxes:7.50%Income taxes:3.00%GDP:$3.78 B, gross domestic product (GDP)
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DeKalb County's population of Illinois of 17,914 residents in 1930 has increased 1,1-fold to 19,740 residents after 90 years, according to the official 2020 census. U.S. Bureau of the Census beginning in 1900. Data for 1870-1890 are on a de facto or unspecified basis; data for 1900 and later years are resident totals.
Approximately 50.96% female residents and 49.04% male residents live in as of 2020, 63.22% in DeKalb County, Illinois are married and the remaining 36.78% are single population.
As of 2020, 63.22% in DeKalb County, Illinois are married and the remaining 36.78% are single population.
- Housing units:41,311 residential units of which 93.16% share occupied residential units.
25.9 minutes is the average time that residents in DeKalb County require for a one-way commute to work. A long commute can have different effects on health. A Gallup poll in the US found that in terms of mental health, long haul commuters are up to 12 percent more likely to experience worry, and ten percent less likely to feel well rested. The Gallup poll also found that of people who commute 61–90 minutes each day, a whopping one third complained of neck and back pain, compared to less than a quarter of people who only spend ten minutes getting to work.
79.03% of the working population which commute to work alone in their car, 9.15% of the working population which commutes to work in a carpool, 1.20% of the population that commutes using mass transit, including bus, light rail, subway, and ferry. 3.29% of the population that has their home as their principal place of work.
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Of the total residential buildings in DeKalb County, Illinois 58.09% are owner-occupied homes, another 37.77% are rented apartments, and the remaining 4.14% are vacant.
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The 47.26% of the population in DeKalb County, Illinois who identify themselves as belonging to a religion are distributed among the following most diverse religions.
Since the 1860s, the two main parties have been the Republican Party (here in 2022 = 40.760%) and the Democratic Party (here in 2022 = 57.530%) of those eligible to vote in DeKalb County, Illinois.
