Pampa is a city in Gray County, Texas, United States. Its population was 16,867 as of the 2020 census. Pampa is the county seat of Gray County. Pampa is a commercial center for the surrounding wheat-growing, cattle-raising, and oil-producing territory. Annual events include a Junior Stock Show and Hereford Breeders' Show in March, a Rodeo in July, and a golf tournament during Labor Day weekend.