Wichita Falls ( WITCH-ih-tah) 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. Wichita Falls is home to Midwestern State University, enrolling more than 5,500 students.