Marshall County, Kentucky Demographics 2026

Population Overview

Marshall County is located in Kentucky with a total population of 31,728. It is the 32nd most populous county out of 120 in Kentucky.

Age Demographics

The median age in Marshall County is 44.9 years. This is 15% higher than the state median of 39.1 years.

Economy, Income & Housing

The median household income in Marshall County is $63,611. This is 2% higher than the state median of $62,417. Compared to the national median of $78,538, household income here is 19% lower. The poverty rate stands at 13.4%. This is 17% lower than the state poverty rate of 16.1%. The unemployment rate is 3.7%. This is 23% lower than the state rate of 4.8%. The median home value is $173,700. Housing costs are 10% lower than the state median of $192,300. With a home-value-to-income ratio of just 2.7x, Marshall County is one of the most affordable housing markets in the area. 82.1% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 68.3%.

Race & Ethnicity

Marshall County has a predominantly White (non-Hispanic) population, comprising 95.6% of all residents. Hispanic or Latino residents account for 1.9%. The Black or African American population (0.7%) is well below the state average of 7.8%. The Hispanic or Latino population (1.9%) is well below the state average of 4.7%. The Asian population (0.4%) is well below the state average of 1.5%.

Education

21.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% 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 92.3%.