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City in Macon County, Illinois

Decatur

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

Who lives in Decatur

Census survey estimates for 2020 to 2024, rounded.

People

Population
69,800
Median age
39.2 years
Under 18
21%
65 and over
21%
Veterans, of adults
7%
Speak another language at home
5%

Race and ethnicity

Hispanic or Latino, of any race
3%
White, not Hispanic
65%
Black, not Hispanic
23%
Asian, not Hispanic
2%

Income and housing

Median household income
$51,600
Below the poverty line
19%
Bachelor's or higher, adults 25+
22%
Owner-occupied homes
63%
Median home value
$100,000

2024 vote for president

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

Represent all of Decatur

Represent part of Decatur

Each represents the part of Decatur inside their district. Under each is how many people lived in that part at the 2020 Census, of 70,522 in all.

Decatur's districts (8)

U.S. House (2)

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.