Knox County, Indiana Demographics 2026

Population Overview

Knox County is located in Indiana with a total population of 36,108. It is the 43rd most populous county out of 92 in Indiana. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Knox County is 39.1 years. This is 3% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in Knox County is $58,863. This is 16% lower than the state median of $70,051. Compared to the national median of $78,538, household income here is 25% lower. The poverty rate stands at 13.4%. This is 10% higher than the state poverty rate of 12.2%. The unemployment rate is 2.5%. This is 42% lower than the state rate of 4.3%. The median home value is $123,500. Housing costs are 39% lower than the state median of $201,600. With a home-value-to-income ratio of just 2.1x, Knox County is one of the most affordable housing markets in the area. 65.9% of occupied housing units are owner-occupied. This homeownership rate is 6% lower than the state average of 70.3%.

Race & Ethnicity

Knox County has a predominantly White (non-Hispanic) population, comprising 90.1% of all residents. Hispanic or Latino residents account for 2.8%. The Black or African American population (1.6%) is well below the state average of 9.1%. The Hispanic or Latino population (2.8%) is well below the state average of 8.4%. The Asian population (0.9%) is well below the state average of 2.5%.

Education

17.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 38% 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 90.1%.