The White Deer Land Company Museum, which contains ranching exhibits, is located in downtown Pampa. Each July, Pampa hosts the Top 'O Texas Rodeo, which brings competitors from a multi-state area to Gray County. Pampa is the principal city of the Pampa Micropolitan Statistical Area, which includes all of Gray and Roberts counties. Pampa is a city in Gray County, Texas, United States. The population was 17,887 at the 2000 census. It is the county seat of Gray County.