La Mesa is a CDP located in Doña Ana County, New Mexico. La Mesa has a 2026 population of 506. La Mesa is currently declining at a rate of -2.69% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in La Mesa is 63.7 years: 63.2 years for males, and 67.1 years for females. For every 100 females there are 75.2 males.
Data after 2023 is projected based on recent change
Overall: 63.7 years
Female: 67.1 years
Male: 63.2 years
There are 413 adults, (204 of whom are seniors) in La Mesa.
Female: 270 (57.1%)
Male: 203 (42.9%)
The racial composition of La Mesa includes 31.92% other race, 27.91% White, 21.35% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Other race | 151 | 31.92% |
| White | 132 | 27.91% |
| Native American | 101 | 21.35% |
| Two or more races | 89 | 18.82% |