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County in Illinois

Kendall County

About 137,700 people, median household income $111,600.

District lines run through Kendall County, so who represents you here depends on where you live. Search your address to see yours.

Who lives in Kendall County

Census survey estimates for 2020 to 2024, rounded.

People

Population
137,700
Median age
36.3 years
Under 18
27%
65 and over
11%
Veterans, of adults
5%
Speak another language at home
22%

Race and ethnicity

Hispanic or Latino, of any race
22%
White, not Hispanic
62%
Black, not Hispanic
8%
Asian, not Hispanic
4%

Income and housing

Median household income
$111,600
Below the poverty line
5%
Bachelor's or higher, adults 25+
37%
Owner-occupied homes
84%
Median home value
$322,000

2024 vote for president

Kamala Harris, Democrat
49.7%
Donald Trump, Republican
48.1%
Other candidates
2.2%

Votes counted, by precinct. Source: MIT Election Data and Science Lab, precinct returns (public domain).

Represent all of Kendall County

Kendall County's districts (8)

U.S. House (1)

Illinois Senate (3)

Illinois House (4)

Towns (15)

Cities, villages and unincorporated communities, with the number of people in the county’s part of each at the 2020 Census.

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, Demographic and Housing Characteristics. 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.