Facts about Knox County, Tennessee
Knox County is a county in the U.S. state of Tennessee. As of the 2010 census, the population was 432,226, making it the third-most populous county in Tennessee, and the 153rd-most populous county or county-equivalent in the nation. Its county seat is Knoxville, the third-most populous city in Tennessee.
According to the U.S. Census Bureau, the county has a total area of 526 square miles (1,360 km²), of which 508 square miles (1,320 km²) is land and 18 square miles (47 km²) (3.4%) is water. The county lies amidst the Ridge-and-Valley Appalachians, which are characterized by long, narrow ridges, oriented northeast-to-southwest, alternating with similarly-shaped valleys. Notable ridges in the county include Bays Mountain, McAnnally Ridge, Beaver Ridge, Sharp's Ridge and Copper Ridge. House Mountain, at 2,064 feet (629 m), is the county's highest point, and is the focus of a state natural area.
As of the census of 2000, there were 382,032 people, 157,872 households, and 100,722 families residing in the county. The population density was 751 people per square mile (290/km²). There were 171,439 housing units at an average density of 337 per square mile (130/km²). The racial makeup of the county was 88.10% White, 8.63% Black or African American, 0.26% Native American, 1.29% Asian, 0.03% Pacific Islander, 0.50% from other races, and 1.18% from two or more races. 1.26% of the population were Hispanic or Latino of any race.
There were 157,872 households out of which 28.50% had children under the age of 18 living with them, 49.80% were married couples living together, 10.90% had a female householder with no husband present, and 36.20% were non-families. 29.60% of all households were made up of individuals and 9.10% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.92.
Serving Knox County, Tennessee