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 43rd-most populous city in Texas. The city was named, in 1876, for a waterfall on the Wichita River, which was destroyed due to flooding in 1886.