Starr County's 2026 population is estimated at 66,240, reflecting a -0.12% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Starr County is the 57th largest county in Texas. The 2010 population was 61,140 and has grown 8.34% since 2010.
Overall: 29.4 years
Female: 30.2 years
Male: 28.4 years
There are 44,595 adults, (7,519 of whom are seniors) in Starr County.
Female: 33,804 (51.2%)
Male: 32,263 (48.8%)
The racial composition of Starr County includes 32.89% White, 13.48% other race, and smaller percentages for Black or African American, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Two or more races | 35,021 | 53.01% |
| White | 21,731 | 32.89% |
| Other race | 8,907 | 13.48% |
| Black or African American | 280 | 0.42% |
| Native American | 90 | 0.14% |
| Asian | 38 | 0.06% |
Starr County 's average per capita income is $27,297. Household income levels show a median of $37,639. The poverty rate stands at 33.52%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $56,927 | - |
| Families | $45,771 | $68,178 |
| Households | $37,639 | $58,715 |
| Non Families | $13,603 | $20,713 |
Average Income
Median Household Income
Poverty Rate