Crosbyton is a city in and the county seat of Crosby County, Texas, United States. The population was 1,874 at the 2000 census. Crosbyton is part of the Lubbock Metropolitan Statistical Area.
Former Crosby County administrative County Judge Joseph P. Heflin represented District 85 in the Texas House of Representatives from 2007-2011. During his tenure Heflin was the only Democrat from either West Texas or the Panhandle serving in the legislature. He was unseated in the 2010 general election by the Republican Jim Landtroop of Plainview in Hale County. In 2006, Heflin had defeated Landtroop by fewer than 225 votes.
The city was named for land office commissioner Stephen Crosby.