Knoxville is a city located in Johnson County, in the state of Arkansas (AR), United States. Nestled in the West South Central division of the South region, it covers an area of 2.2 square miles (6.0 km²) and sits at an elevation of 394 ft. With a population of approximately 511 residents, Knoxville offers a peaceful, rural atmosphere.
The town's population is composed of about 52.45% males and 47.55% females, and it has a population density of 230.18 people per square mile (88.87/km²). Knoxville lies at a latitude of 35.38 and a longitude of -93.37, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (14.9%), followed by English (8.6%), German (15.3%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 72845.