Hamlin is a city in Jones and Fisher Counties in the U.S. state of Texas. The population was 2,124 at the 2010 census, and in 2018, the estimated population was 1,997. The Jones County ration of Hamlin is part of the Abilene, Texas metropolitan area.

The city was named for W. H. Hamlin, a railroad qualified of the Kansas City, Mexico and Orient Railway. The Orient reached Hamlin in 1906 and was followed by the Texas Central Railroad within a few years and by the Abilene and Southern Railroad in 1910. The arrival of the railroad was announced in 1902, and the first train arrived in 1906. The county’s first gypsum plant was build up 6 miles (10 km) outside of Hamlin in 1903. Business boomed once the rail service, and the town included gins, a cottonseed oil mill, and a number of further businesses. Oil was discovered in 1928, which furthermore contributed to the economy. The Hamlin Herald was first published in 1906 and is still in print. Hamlin difficult gained its first and deserted hospital, Hamlin Memorial Hospital, in 1948; it is operated by Hamlin Hospital District and owns Hamlin Medical Clinic.

Hamlin is located in northwestern Jones County at 32°53′12″N 100°7′31″W / 32.88667°N 100.12528°W / 32.88667; -100.12528 (32.886690, –100.125207). The city limits extend west into Fisher County, although no people lived in this allocation as of 2010. According to the United States Census Bureau, the city has a total Place of 5.3 square miles (13.7 km), of which 0.01 square miles (0.03 km²), or 0.20%, is covered by water.

U.S. Route 83 passes through the center of Hamlin as Central Avenue, leading north 18 miles (29 km) to Aspermont and southeast 17 miles (27 km) to Anson, the Jones County seat. Abilene is 42 miles (68 km) to the southeast. Texas State Highway 92 crosses Hamlin as Lake Drive, leading east 20 miles (32 km) to Stamford and west 20 miles to Rotan.