| Place Name | Gilmer |
| Place Type | City |
| ZIP Code(s) | 75644 75645 |
| County | Upshur County |
| Area Code(s) | 430,903 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 4,954 |
| Population Growth Rate (2010-19) | -1.26% |
| Majority Ethnicity | White 70.19% |
| Metro/Micro Stats Area | Longview, TX |
| US Congressional District(s) | Texas 1st |
| State House Districts | 7 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 70.19% |
| African American | 23.42% |
| Hispanic | 0.53% |
| Asian | 0.13% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.73% |