| Place Name | Elmo |
| Place Type | Census Designated Place |
| ZIP Code(s) | 75161 |
| County | Kaufman County |
| Area Code(s) | 214,469,972 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 455 |
| Population Growth Rate (2010-19) | 4.56% |
| Majority Ethnicity | White 95.4% |
| Metro/Micro Stats Area | Dallas-Fort Worth-Arlington, TX |
| US Congressional District(s) | Texas 5th |
| State House Districts | 4 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.4% |
| African American | 4.6% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |