Austin County's 2026 population is estimated at 34,316, reflecting a 2.65% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Austin County is the 89th largest county in Texas. The 2010 population was 28,372 and has grown 20.95% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.1 years
Female: 42.6 years
Male: 40 years
There are 23,868 adults, (6,556 of whom are seniors) in Austin County.
Female: 15,224 (48.8%)
Male: 15,946 (51.2%)
The racial composition of Austin County includes 66.62% White, 12.28% other race, 7.9% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 20,766 | 66.62% |
| Other race | 3,828 | 12.28% |
| Two or more races | 3,741 | 12% |
| Black or African American | 2,463 | 7.9% |
| Asian | 257 | 0.82% |
| Native American | 115 | 0.37% |
Austin County 's average per capita income is $52,854. Household income levels show a median of $75,789. The poverty rate stands at 11.95%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,477 | - |
| Families | $98,618 | $112,073 |
| Households | $75,789 | $97,163 |
| Non Families | $35,859 | $51,419 |
Average Income
Median Household Income
Poverty Rate
