Martin County is a county in the U.S. state of Texas. As of the 2020 census, its population was 5,237. Its county seat is Stanton. The county was created in 1876 and organized in 1884. It is named for Wylie Martin, an early settler.

Stanton is a city in and the county seat of Martin County, Texas, United States. Stanton was founded as Marienfeld by German immigrants that were some of the first settlers in this region of Texas. The population was 2,657 at the 2020 census.