3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Alamogordo | 1 | 32,029 | 30,942 | 0.57% | 1,485 | 22 | City |
| Tularosa | 2 | 2,671 | 2,554 | 0.75% | 947 | 3 | Village |
| Cloudcroft | 3 | 760 | 747 | 0.26% | 465 | 2 | Village |
Alamogordo is the largest city in Otero County, with a population of 32,029.
Cloudcroft is the smallest city in Otero County, with a population of 760.
There are 3 cities in Otero County, New Mexico.