| Name | Duval County |
| State | Texas |
| FIPS Code | 48131 |
| County Seat | San Diego |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 9,626 |
| Population Growth Rate(2020-2024) | -2.1% |
| Majority Ethnicity | Hispanic 54.22% |
| Public School Majority Ethnicity | Hispanic 97% |
| Partisan Voting Index | Republican:+3 |
| Unemployment Rate (May 2026) | 4.9% |
| Sales Tax Rate (2025) | 6.25% |
| Area Code(s) | 361 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 44.9% |
| African American | 0.47% |
| Hispanic | 54.22% |
| Asian | 0% |
| Native American | 0.42% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 2.75% |
| African American | 0.08% |
| Hispanic | 96.8% |
| Asian | 0.21% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 0% |