Freer is a city in Duval County, Texas, United States. Its population was 2,818 at the 2010 census, down from 3,241 at the 2000 census.

Duval County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 9,831. The county seat is San Diego. The county was founded in 1858 and later organized in 1876. It is named for Burr H. Duval, a soldier in the Texas Revolution who died in the Goliad Massacre.