Johnson County, Indiana Demographics 2026

Population Overview

Johnson County is located in Indiana with a total population of 163,983. It is the 11th most populous county out of 92 in Indiana.

Age Demographics

The median age in Johnson County is 38.1 years. This is about average than the state median of 38.0 years.

Economy, Income & Housing

The median household income in Johnson County is $87,227. This is 25% higher than the state median of $70,051. Compared to the national median of $78,538, household income here is 11% higher. The poverty rate stands at 7.2%. This is 41% lower than the state poverty rate of 12.2%. The unemployment rate is 3.0%. This is 30% lower than the state rate of 4.3%. The median home value is $260,400. Housing costs are 29% higher than the state median of $201,600. The home-value-to-income ratio is 3.0x. 73.9% of occupied housing units are owner-occupied. This homeownership rate is 5% higher than the state average of 70.3%.

Race & Ethnicity

The largest racial or ethnic group in Johnson County is White (non-Hispanic), making up 84.9% of the population. Asian residents account for 4.7%. The Black or African American population (3.0%) is well below the state average of 9.1%. The Hispanic or Latino population (4.1%) is well below the state average of 8.4%. The Asian population is significantly higher than the state average (4.7% vs 2.5%).

Education

33.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% higher 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 92.8%.