DeKalb, IL

View of DeKalb, IL
Image credit: Johnnie Tran / CC BY-SA 3.0
Population
40,467
U.S. Census Population Estimates Program · 2025
Elevation
881 ft
Median Home Value
$204,700
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,029/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$46,481
U.S. Census American Community Survey 5-Year · 2024

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DeKalb in context.

About DeKalb

DeKalb is a northern Illinois city and the home of Northern Illinois University, which gives the town much of its student energy and regional importance. It began as Huntley's Grove before being platted in the 1850s, and it is also tied to Joseph Glidden and the history of barbed wire. Downtown, campus life, and the annual Corn Fest help define the local rhythm. DeKalb feels like a practical college town surrounded by flat farm country west of the Chicago suburbs.

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