Wichita County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 129,350. The county seat is Wichita Falls. The county was created in 1858 and organized in 1882. Wichita County is part of the Wichita Falls, Texas, TX metropolitan statistical area.

Wichita Falls is a city in and the county seat of Wichita County, Texas, United States. It is the principal city of the Wichita Falls metropolitan statistical area, which encompasses all of Archer, Clay, and Wichita Counties. According to the 2020 census, it had a population of 102,316, making it the 39th-most populous city in Texas.