Washington County, Tennessee Demographics 2026

Population Overview

Washington County is located in Tennessee with a total population of 134,693. It is the 12th most populous county out of 95 in Tennessee.

Age Demographics

The median age in Washington County is 40.3 years. This is 4% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Washington County is $61,051. This is 9% lower than the state median of $67,097. Compared to the national median of $78,538, household income here is 22% lower. The poverty rate stands at 15.8%. This is 15% higher than the state poverty rate of 13.8%. The unemployment rate is 5.0%. This is 5% higher than the state rate of 4.7%. The median home value is $231,700. Housing costs are 10% lower than the state median of $256,800. The home-value-to-income ratio is 3.8x. 64.5% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 67.0%.

Race & Ethnicity

Washington County has a predominantly White (non-Hispanic) population, comprising 86.3% of all residents. Hispanic or Latino residents account for 4.7%. The Black or African American population (3.7%) is well below the state average of 15.7%.

Education

33.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Washington County in the top 10% of all cities in the state for educational attainment. This is 10% higher 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 91.1%.