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DeKalb County

File:DeKalb_County_Courthouse2.jpg · Wikimedia Commons · See Wikimedia Commons

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DeKalb County

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Also known as DeKalb County, Illinois, De Kalb County, De Kalb County, Illinois, DeKalb County, IL

county in Illinois, United States

Key facts

Country
United States
State
Illinois
Founded
March 4, 1837
Named after
Johann de Kalb
Seat
Sycamore
Largest city
DeKalb
Total
635 sq mi (1,640 km )
Land
631 sq mi (1,630 km )
Water
3.4 sq mi (8.8 km ) 0.5%
Estimate 2025
101,835
Density
159/sq mi (61.4/km )
Time zone
UTC−6 ( Central )
Summer dst
UTC−5 ( CDT )
Congressional districts
11th , 14th , 16th
Website
www .dekalbcounty .org

via Wikipedia infobox

~11 min read

Encyclopedic overview

DeKalb County is a county located in the U.S. state of Illinois. As of the 2020 United States census, the population was 100,420. Its county seat is Sycamore. DeKalb County is part of the Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area.

History

Excerpted from Wikipedia’s “DeKalb County” article, available under the CC BY-SA 4.0 licence.

Gallery (5)

On the map

2 mapped locations