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)White67.2%
Black24.1%
Hispanic3.2%
Asian1.4%
Two or More6.2%
Other1.1%
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%.