Lewis County, Tennessee Demographics 2026

Population Overview

Lewis County is located in Tennessee with a total population of 12,784. It is the 84th most populous county out of 95 in Tennessee.

Age Demographics

The median age in Lewis County is 42.2 years. This is 8% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Lewis County is $49,477. This is 26% lower than the state median of $67,097. Compared to the national median of $78,538, household income here is 37% lower. The poverty rate stands at 15.9%. This is 15% higher than the state poverty rate of 13.8%. The unemployment rate is 3.5%. This is 27% lower than the state rate of 4.7%. The median home value is $157,800. Housing costs are 39% lower than the state median of $256,800. The home-value-to-income ratio is 3.2x. 80.5% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 67.0%.

Race & Ethnicity

Lewis County has a predominantly White (non-Hispanic) population, comprising 91.8% of all residents. Hispanic or Latino residents account for 2.9%. The Black or African American population (0.8%) is well below the state average of 15.7%. The Hispanic or Latino population (2.9%) is well below the state average of 7.1%. The Asian population (0.8%) is well below the state average of 1.8%.

Education

10.9% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 64% 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 85.4%.