Marion County, Kentucky Demographics 2026

Population Overview

Marion County is located in Kentucky with a total population of 19,680. It is the 60th most populous county out of 120 in Kentucky.

Age Demographics

The median age in Marion County is 39.6 years. This is 1% higher than the state median of 39.1 years.

Economy, Income & Housing

The median household income in Marion County is $55,404. This is 11% lower than the state median of $62,417. Compared to the national median of $78,538, household income here is 29% lower. The poverty rate stands at 19.5%. This is 21% higher than the state poverty rate of 16.1%. The unemployment rate is 5.5%. This is 14% higher than the state rate of 4.8%. The median home value is $158,700. Housing costs are 17% lower than the state median of $192,300. With a home-value-to-income ratio of just 2.9x, Marion County is one of the most affordable housing markets in the area. 77.3% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 68.3%.

Race & Ethnicity

Marion County has a predominantly White (non-Hispanic) population, comprising 86.7% of all residents. Black or African American residents account for 7.2%. The Asian population (0.6%) is well below the state average of 1.5%.

Education

12.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% lower than the state rate of 27.0%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.3%.