| Place Name | La Mesilla |
| Place Type | Census Designated Place |
| ZIP Code(s) | 87532 |
| County | Rio Arriba County |
| Area Code(s) | 505 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 1,836 |
| Population Growth Rate (2010-19) | 4.06% |
| Majority Ethnicity | Hispanic 1.27% |
| Metro/Micro Stats Area | Española, NM |
| US Congressional District(s) | New Mexico 3rd |
| State House Districts | 41 |
| State Senate Districts | 5 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 41.41% |
| African American | 0.09% |
| Hispanic | 1.27% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 57.23% |