Austin County is a county in the U.S. state of Texas. As of the 2010 census, the population was 28,417. Its seat is Bellville. The county is named for Stephen F. Austin, who facilitated the Anglo American colonization of Texas and is known as the "Father of Texas."
There were 8,747 households out of which 34.70% had children under the age of 18 living with them, 60.60% were married couples living together, 9.60% had a female householder with no husband present, and 25.90% were non-families. 22.80% of all households were made up of individuals and 11.50% had someone living alone who was 65 years of age or older. The average household size was 2.67 and the average family size was 3.14.
In the county, the population was spread out with 27.00% under the age of 18, 8.10% from 18 to 24, 26.40% from 25 to 44, 23.70% from 45 to 64, and 14.80% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.50 males. For every 100 females age 18 and over, there were 92.90 males.
The median income for a household in the county was $38,615, and the median income for a family was $46,342. Males had a median income of $32,455 versus $22,142 for females. The per capita income for the county was $18,140. About 8.80% of families and 12.10% of the population were below the poverty line, including 13.70% of those under age 18 and 14.40% of those age 65 or over.