Jefferson County, Indiana Demographics 2026

Population Overview

Jefferson County is located in Indiana with a total population of 33,074. It is the 50th most populous county out of 92 in Indiana.

Age Demographics

The median age in Jefferson County is 41.6 years. This is 9% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in Jefferson County is $59,987. This is 14% lower than the state median of $70,051. Compared to the national median of $78,538, household income here is 24% lower. The poverty rate stands at 11.3%. This is 8% lower than the state poverty rate of 12.2%. The unemployment rate is 4.1%. This is 5% lower than the state rate of 4.3%. The median home value is $180,600. Housing costs are 10% lower than the state median of $201,600. The home-value-to-income ratio is 3.0x. 69.4% of occupied housing units are owner-occupied. This homeownership rate is 1% lower than the state average of 70.3%.

Race & Ethnicity

Jefferson County has a predominantly White (non-Hispanic) population, comprising 91.7% of all residents. Hispanic or Latino residents account for 3.4%. The Black or African American population (1.1%) is well below the state average of 9.1%. The Hispanic or Latino population (3.4%) is well below the state average of 8.4%. The Asian population (0.7%) is well below the state average of 2.5%.

Education

18.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% 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 88.6%.