| Official Name: | La Mesilla, New Mexico |
| Settlement Type: | Census-designated place |
| Pushpin Map: | New Mexico |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New Mexico |
| Subdivision Type2: | County |
| Subdivision Name2: | Río Arriba |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 11.63 |
| Area Land Km2: | 11.53 |
| Area Water Km2: | 0.09 |
| Area Total Sq Mi: | 4.49 |
| Area Land Sq Mi: | 4.45 |
| Area Water Sq Mi: | 0.04 |
| Population As Of: | 2020 |
| Population Total: | 1844 |
| Population Density Km2: | 159.86 |
| Population Density Sq Mi: | 414.01 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation M: | 1719 |
| Coordinates: | 35.9464°N -106.0689°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2584131 |
La Mesilla is a census-designated place in Río Arriba County, New Mexico, United States. Its population was 1,772 as of the 2010 census.[2]
In 1870, a family from La Mesilla was ambushed and killed by Mexicans disguised as Native Americans.[3]
According to the United States Census Bureau, La Mesilla has a total area of 17.67 square kilometers, of which 17.57 km is land and (0.82%) 0.1 km is water.[4]
According to the 2010 census,[2] 1772 people were living in La Mesilla. The population density was 151.9 inhabitants per square kilometer. Of the 1772 inhabitants, La Mesilla was composed by 68.34% White, 0.34% were African American, 1.35% were Native American, 0.4% were Asian, 0% were Pacific Islanders, the 25.62% were of other races and 3.95% from two or more races. Of the total population 73.36% were Hispanic or Latino of any race[5]
It is in Española Public Schools.[6] The comprehensive public high school is Española Valley High School.