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City in DeKalb County, Illinois

DeKalb

District lines run through DeKalb, so who represents you here depends on your street. Search your address to see yours.

Who lives in DeKalb

Census survey estimates for 2020 to 2024, rounded.

People

Population
40,400
Median age
26.1 years
Under 18
19%
65 and over
11%
Veterans, of adults
4%
Speak another language at home
18%

Race and ethnicity

Hispanic or Latino, of any race
20%
White, not Hispanic
56%
Black, not Hispanic
14%
Asian, not Hispanic
4%

Income and housing

Median household income
$46,500
Below the poverty line
25%
Bachelor's or higher, adults 25+
34%
Owner-occupied homes
42%
Median home value
$205,000

2024 vote for president

Not counted for DeKalb on its own: its precincts follow township lines, not the town’s. See the figure for DeKalb County.

Represent all of DeKalb

Represent part of DeKalb

Each represents the part of DeKalb inside their district. Under each is how many people lived in that part at the 2020 Census, of 40,290 in all.

DeKalb's districts (7)

U.S. House (1)

Illinois Senate (3)

Illinois House (3)

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, 119th Congressional District and 2024 state legislative district tabulation. Figures rounded by us. Retrieved 2026-10-19. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.