
Mesilla
- County:
- Doña Ana County
- County Seat:
- No
- Area (mi²):
- 5.679
- State:
- New Mexico
Mesilla is a town located in Doña Ana County, New Mexico. Mesilla has a 2025 population of 1,786. Mesilla is currently declining at a rate of -0.17% annually and its population has decreased by -0.83% since the most recent census, which recorded a population of 1,801 in 2020.
The average household income in Mesilla is $118,361 with a poverty rate of 5.35%. The median age in Mesilla is 55.1 years: 53.2 years for males, and 55.8 years for females.