
Doña Ana County
- State:
- New Mexico
Doña Ana County's estimated 2025 population is 228,570 with a growth rate of 0.74% in the past year according to the most recent United States census data. Doña Ana County is the 2nd largest county in New Mexico. The 2010 population was 210,096 and has seen a growth of 8.79% since that time.