Decatur County, IN — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
26,411
Male
13,213
50.0%
Female
13,198
50.0%
Median Age
40.4 yrs
Avg Household Size
2.5
Foreign Born
0.8%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher13.7%
High School or Higher43.8%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.1%
Disability
0.0%
Non-English Home
6.5%
Married
45.8%
Decatur County, IN has a population of 26,411 according to 2023 Census Bureau estimates. The median age is 40.4 years. The largest racial or ethnic group is White at 93.7% of the population. 13.7% of residents hold a bachelor's degree or higher. 0.8% of residents are foreign-born.