25 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rio Rancho | 1 | 114,811 | 104,433 | 1.84% | 1,111 | 103 | City |
| Bernalillo | 2 | 9,172 | 9,026 | 0.32% | 1,744 | 5 | Town |
| Corrales | 3 | 8,688 | 8,507 | 0.42% | 805 | 11 | Village |
| Placitas | 4 | 3,838 | 4,506 | -1.94% | 130 | 29 | CDP |
| San Ysidro | 5 | 2,234 | 2,527 | 0.45% | 845 | 3 | CDP |
| Jemez Pueblo | 6 | 2,140 | 1,976 | 1.09% | 1,047 | 2 | CDP |
| Santo Domingo Pueblo | 7 | 1,912 | 2,281 | -1.85% | 938 | 2 | CDP |
| San Felipe Pueblo | 8 | 1,186 | 1,767 | -6.47% | 99 | 12 | CDP |
| Algodones | 9 | 1,125 | 976 | 1.9% | 154 | 7 | CDP |
| Santa Ana Pueblo | 10 | 1,105 | 944 | 3.08% | 149 | 7 | CDP |
| Zia Pueblo | 11 | 940 | 845 | 1.51% | 35 | 27 | CDP |
| Peña Blanca | 12 | 683 | 812 | -0.15% | 99 | 7 | CDP |
| Cuba | 13 | 642 | 632 | 0.31% | 197 | 3 | Village |
| Pueblo Sandia Village | 14 | 551 | 554 | 2.23% | 486 | 1 | CDP |
| Placitas | 15 | 500 | 409 | -0.99% | 3,759 | 0 | CDP |
| Cochiti | 16 | 473 | 483 | -0.84% | 607 | 1 | CDP |
| Cochiti Lake | 17 | 440 | 444 | -2% | 354 | 1 | CDP |
| La Jara | 18 | 399 | 272 | 3.1% | 28 | 14 | CDP |
| Cañon | 19 | 324 | 173 | -0.31% | 20 | 16 | CDP |
| San Luis | 20 | 206 | 204 | 7.29% | 25 | 8 | CDP |
| Jemez Springs | 21 | 202 | 201 | 0% | 42 | 5 | Village |
| San Ysidro | 22 | 169 | 166 | 0.6% | 72 | 2 | Village |
| La Cueva | 23 | 108 | 93 | -3.57% | 66 | 2 | CDP |
| Ponderosa | 24 | 103 | 184 | -15.57% | 11 | 9 | CDP |
| Regina | 25 | 63 | 71 | -3.08% | 9 | 7 | CDP |
Rio Rancho is the largest city in Sandoval County, with a population of 114,811.
Regina is the smallest city in Sandoval County, with a population of 63.
There are 25 cities in Sandoval County, New Mexico.