COUNTY ORGANIZED: 1887

COUNTY NAMED FOR:  John T. Mills, a judge during the Republic of Texas period.

COUNTY SEATS: One - Goldthwaite

COUNTY SEAT NAMED FOR: Joesph G. Goldthwaite was an official of the railroad that was built through the area in 1886, the same year the town was formed.

COURTHOUSES: Two - 1889 and 1913.

STANDING: One - 1913 courthouse in Classical Revival style and built of brick, stone, and concrete.