| Place Name | Mertzon |
| Place Type | City |
| ZIP Code(s) | 76941 |
| County | Irion County |
| Area Code(s) | 325 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 772 |
| Population Growth Rate (2010-19) | -4.35% |
| Majority Ethnicity | White 61.72% |
| Metro/Micro Stats Area | San Angelo, TX |
| US Congressional District(s) | Texas 11th |
| State House Districts | 72 |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 61.72% |
| African American | 8.29% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 29.99% |