Lamesa ( lə-MEE-sə) is a city in and the county seat of Dawson County, Texas, United States. The population was 9,422 at the 2010 census, down from 9,952 at the 2000 census. Located south of Lubbock on the Llano Estacado, Lamesa was founded in 1903. Most of the economy is based on cattle ranching and cotton farming. The Preston E. Smith prison unit, named for the former governor of Texas, is located just outside Lamesa.Lamesa is located in the center of Dawson County at 32°44′4″N 101°57′29″W (32.734439, -101.958190). U.S. Highway 87 (Lynn Avenue) passes through the eastern side of the city, leading north 61 miles (98 km) to Lubbock and southeast 44 miles (71 km) to Big Spring. U.S. Highway 180 passes through the center of town as 4th Street and leads west 41 miles (66 km) to Seminole and east 62 miles (100 km) to Snyder.
Texas State Highway 137 passes through the city as Bryan Avenue and leads northwest 38 miles (61 km) to Brownfield and south 45 miles (72 km) to Stanton. Texas State Highway 349 branches off Highway 137 south of Lamesa and leads southwest 55 miles (89 km) to Midland. The Dal Paso Museum, a collection of local artifacts housed in a former hotel, is located in downtown Lamesa. The name is derived from the fact that Lamesa is located on the table land of the Staked Plains. On display are home furnishings, pioneer tools, ranch and farm equipment, and exhibits by local artists.
information provided by wikipedia.org