| Name | Mcmullen County |
| State | Texas |
| FIPS Code | 48311 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 696 |
| Population Growth Rate(2000-2022) | -15.13% |
| Majority Ethnicity | White 65.99% |
| Public School Majority Ethnicity | White 60% |
| Partisan Voting Index | Strongly Republican:+40 |
| Unemployment Rate | 2.0% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 65.99% |
| African American | 0% |
| Hispanic | 33.6% |
| Asian | 0% |
| Native American | 0.4% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 59.92% |
| African American | 0% |
| Hispanic | 37.35% |
| Asian | 1.56% |
| Native American | 0.39% |
| Hawaiin/Pacific Islander | 0% |