| Name | Mcmullen County |
| State | Texas |
| FIPS Code | 48311 |
| County Seat | Tilden |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 579 |
| Population Growth Rate(2020-2024) | -3.45% |
| Majority Ethnicity | White 52.82% |
| Public School Majority Ethnicity | White 56% |
| Partisan Voting Index | Strongly Republican:+42 |
| Unemployment Rate (May 2026) | 5.7% |
| Area Code(s) | 361 / 830 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 52.82% |
| African American | 0% |
| Hispanic | 46.63% |
| Asian | 0% |
| Native American | 0.55% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 56.38% |
| African American | 0% |
| Hispanic | 42.2% |
| Asian | 1.06% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.35% |