Grainger County, Tennessee Demographics 2026

Population Overview

Grainger County is located in Tennessee with a total population of 23,929. It is the 61st most populous county out of 95 in Tennessee.

Age Demographics

The median age in Grainger County is 45.7 years. This is 17% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Grainger County is $51,351. This is 23% lower than the state median of $67,097. Compared to the national median of $78,538, household income here is 35% lower. The poverty rate stands at 16.4%. This is 19% higher than the state poverty rate of 13.8%. The unemployment rate is 5.2%. This is 9% higher than the state rate of 4.7%. The median home value is $172,000. Housing costs are 33% lower than the state median of $256,800. The home-value-to-income ratio is 3.3x. 78.7% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 67.0%.

Race & Ethnicity

Grainger County has a predominantly White (non-Hispanic) population, comprising 93.0% of all residents. Hispanic or Latino residents account for 3.5%. The Black or African American population (0.9%) is well below the state average of 15.7%. The Hispanic or Latino population (3.5%) is well below the state average of 7.1%. The Asian population (0.1%) is well below the state average of 1.8%.

Education

14.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 51% 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 83.8%.