Decatur County, Indiana Demographics 2026

Population Overview

Decatur County is located in Indiana with a total population of 26,411. It is the 60th most populous county out of 92 in Indiana.

Age Demographics

The median age in Decatur County is 40.4 years. This is 6% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in Decatur County is $74,228. This is 6% higher than the state median of $70,051. Compared to the national median of $78,538, household income here is 5% lower. The poverty rate stands at 9.3%. This is 23% lower than the state poverty rate of 12.2%. The unemployment rate is 2.6%. This is 39% lower than the state rate of 4.3%. The median home value is $189,900. Housing costs are 6% lower than the state median of $201,600. With a home-value-to-income ratio of just 2.6x, Decatur County is one of the most affordable housing markets in the area. 75.2% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 70.3%.

Race & Ethnicity

Decatur County has a predominantly White (non-Hispanic) population, comprising 93.5% of all residents. Hispanic or Latino residents account for 2.4%. The Black or African American population (0.3%) is well below the state average of 9.1%. The Hispanic or Latino population (2.4%) is well below the state average of 8.4%. The Asian population (0.1%) is well below the state average of 2.5%.

Education

20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 28.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.5%.