Union County, Tennessee Demographics 2026

Population Overview

Union County is located in Tennessee with a total population of 20,141. It is the 67th most populous county out of 95 in Tennessee.

Age Demographics

The median age in Union County is 42.4 years. This is 9% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Union County is $61,858. This is 8% lower than the state median of $67,097. Compared to the national median of $78,538, household income here is 21% lower. The poverty rate stands at 13.9%. This is 1% higher than the state poverty rate of 13.8%. The unemployment rate is 4.1%. This is 14% lower than the state rate of 4.7%. The median home value is $186,300. Housing costs are 27% lower than the state median of $256,800. The home-value-to-income ratio is 3.0x. 80.4% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 67.0%.

Race & Ethnicity

Union County has a predominantly White (non-Hispanic) population, comprising 94.6% of all residents. Hispanic or Latino residents account for 2.2%. The Black or African American population (0.5%) is well below the state average of 15.7%. The Hispanic or Latino population (2.2%) is well below the state average of 7.1%. The Asian population (0.0%) is well below the state average of 1.8%.

Education

14.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 52% lower than the state rate of 30.4%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 83.3%.