
La Union
- County:
- Doña Ana County
- County Seat:
- No
- Area (mi²):
- 4.142
- State:
- New Mexico
La Union is a CDP located in Doña Ana County, New Mexico. La Union has a 2025 population of 810. La Union is currently declining at a rate of -2.41% annually and its population has decreased by -10.69% since the most recent census, which recorded a population of 907 in 2020.
The average household income in La Union is $91,914 with a poverty rate of 4.25%. The median age in La Union is 44.4 years: 52.4 years for males, and 40.5 years for females.