Goldthwaite (established 1885) is a small city located in Mills County in Central Texas. The population was 1,878 at the 2010 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. Goldthwaite is located in the western portion of the Texas Hill Country. The elevation is 1,580 feet. Goldthwaite is situated at the intersections of U.S. Highways 84 and 183, Texas State Highway 16, and Texas Farm-to-Market Roads 572 and 574.
Goldthwaite is located at 31°27′2″N 98°34′16″W / 31.45056°N 98.57111°W / 31.45056; -98.57111 (31.450478, -98.571095).
According to the United States Census Bureau, the city has a total area of 1.7 square miles (4.4 km), all of it land.
Cities near Goldthwaite include Brownwood, Hamilton, Comanche, San Saba, and Star.
At the 2000 census, there were 1,802 people, 740 households and 466 families residing in the city. The population density was 1,047.4 per square mile (404.5/km²). There were 883 housing units at an average density of 513.2 per square mile (198.2/km²). The racial makeup of the city was 87.01% White, 0.39% African American, 0.06% Native American, 0.17% Asian, 0.11% Pacific Islander, 10.82% from other races, and 1.44% from two or more races. Hispanic or Latino of any race were 18.42% of the population.
There were 740 households of which 29.1% had children under the age of 18 living with them, 48.8% were married couples living together, 11.6% had a female householder with no husband present, and 37.0% were non-families. 35.3% of all households were made up of individuals and 23.4% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.87.
Age distribution was 24.6% under the age of 18, 4.9% from 18 to 24, 21.4% from 25 to 44, 20.5% from 45 to 64, and 28.5% who were 65 years of age or older. The median age was 44 years. For every 100 females, there were 81.5 males. For every 100 females age 18 and over, there were 76.1 males.
The median household income was $26,731, and the median family income was $34,940. Males had a median income of $25,577 versus $19,602 for females. The per capita income for the city was $14,591. About 12.5% of families and 18.7% of the population were below the poverty line, including 21.8% of those under age 18 and 22.2% of those age 65 or over.