Demographics in Decatur, IL

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Decatur?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

70,368

Male

33,251

47.3%

Female

37,117

52.7%

Median Age

39.9

Age Distribution

Source: U.S. Census Bureau ACS (2023)

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)
White
67.2%
Black
24.1%
Hispanic
3.2%
Asian
1.4%
Two or More
6.2%
Other
1.1%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

14.7%

High School or Higher

42.5%

Foreign Born

3.1%

Veterans

5.6%

Married

34.7%

Avg Household Size

2.2

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Decatur, IL has a population of 70,368 with a median age of 39.9. The racial makeup is 67.2% White, 3.2% Hispanic, 24.1% Black, 1.4% Asian. About 14.7% of residents hold a bachelor's degree or higher. The foreign-born population is 3.1%.