Jefferson County, Tennessee Demographics 2026

Population Overview

Jefferson County is located in Tennessee with a total population of 55,835. It is the 28th most populous county out of 95 in Tennessee.

Age Demographics

The median age in Jefferson County is 44.1 years. This is 13% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Jefferson County is $63,084. This is 6% lower than the state median of $67,097. Compared to the national median of $78,538, household income here is 20% lower. The poverty rate stands at 11.5%. This is 16% lower than the state poverty rate of 13.8%. The unemployment rate is 5.4%. This is 15% higher than the state rate of 4.7%. The median home value is $210,000. Housing costs are 18% lower than the state median of $256,800. The home-value-to-income ratio is 3.3x. 74.0% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 67.0%.

Race & Ethnicity

Jefferson County has a predominantly White (non-Hispanic) population, comprising 90.3% of all residents. Hispanic or Latino residents account for 4.5%. The Black or African American population (1.5%) is well below the state average of 15.7%. The Asian population (0.5%) is well below the state average of 1.8%.

Education

21.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% 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 88.9%.