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 represents District 85 in the Texas House of Representatives. Heflin is the only Democrat from either West Texas or the Panhandle to serve in the legislature at this time.