where is goldthwaite texas
Goldthwaite, TX. Sponsored Topics. Goldthwaite (established 1885) is a small city located in Mills County in Central Texas. The population was 1,802 at the 2000 census. It is the county seat of Mills County, which is named for John T. Mills, a justice of the Supreme Court for the Third, Seventh, and Eighth districts of the former Republic of Texas.