Sterling County's 2026 population is estimated at 1,325, reflecting a -1.78% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Sterling County is the 241st largest county in Texas. The 2010 population was 1,137 and has grown 16.53% since 2010.
Overall: 32.1 years
Female: 34.8 years
Male: 23 years
There are 959 adults, (230 of whom are seniors) in Sterling County.
Female: 757 (51.6%)
Male: 711 (48.4%)
The racial composition of Sterling County includes 72.48% White, 6.4% other race, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,064 | 72.48% |
| Two or more races | 302 | 20.57% |
| Other race | 94 | 6.4% |
| Native American | 4 | 0.27% |
| Black or African American | 2 | 0.14% |
| Asian | 2 | 0.14% |
Sterling County 's average per capita income is $45,333. Household income levels show a median of $64,954. The poverty rate stands at 4.32%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $88,750 | - |
| Families | $79,250 | $109,230 |
| Households | $64,954 | $97,198 |
| Non Families | $25,625 | $29,217 |
Average Income
Median Household Income
Poverty Rate