6 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rio Rancho | 1 | 116,565 | 104,441 | 1.76% | 1,128 | 103 | City |
| Bernalillo | 2 | 9,227 | 9,022 | 0.37% | 1,755 | 5 | Town |
| Corrales | 3 | 8,542 | 8,506 | 0.07% | 792 | 11 | Village |
| Cuba | 4 | 645 | 630 | 0.47% | 198 | 3 | Village |
| Jemez Springs | 5 | 205 | 202 | 0.49% | 43 | 5 | Village |
| San Ysidro | 6 | 173 | 167 | 0.58% | 74 | 2 | Village |
Rio Rancho is the largest city in Sandoval County, with a population of 116,565.
San Ysidro is the smallest city in Sandoval County, with a population of 173.
There are 6 cities in Sandoval County, New Mexico.