San Augustine County's 2026 population is estimated at 7,537, reflecting a -1.5% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). San Augustine County is the 180th largest county in Texas. The 2010 population was 8,855 and has grown -14.88% since 2010.
Data after 2023 is projected based on recent change
Overall: 50.5 years
Female: 49.7 years
Male: 51.1 years
There are 6,301 adults, (2,111 of whom are seniors) in San Augustine County.
Female: 4,093 (52%)
Male: 3,781 (48%)
The racial composition of San Augustine County includes 69.44% White, 21.54% Black or African American, 4.56% other race, and smaller percentages for Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,468 | 69.44% |
| Black or African American | 1,696 | 21.54% |
| Other race | 359 | 4.56% |
| Two or more races | 312 | 3.96% |
| Native American | 39 | 0.5% |
San Augustine County 's average per capita income is $33,063. Household income levels show a median of $50,408. The poverty rate stands at 27.14%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $87,630 | - |
| Families | $61,967 | $81,246 |
| Households | $50,408 | $68,203 |
| Non Families | $16,426 | $27,956 |
Average Income
Median Household Income
Poverty Rate