31 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rio Rancho | 1 | 114,544 | 104,047 | 1.8% | 1,108 | 103 | City |
| Rio Rancho | 2 | 114,544 | 104,441 | 1.8% | 1,108 | 103 | City |
| Bernalillo | 3 | 9,193 | 9,002 | 0.37% | 1,748 | 5 | Town |
| Bernalillo | 4 | 9,193 | 9,022 | 0.37% | 1,748 | 5 | Town |
| Corrales | 5 | 8,536 | 8,487 | 0.07% | 791 | 11 | Village |
| Corrales | 6 | 8,536 | 8,506 | 0.07% | 791 | 11 | Village |
| Placitas | 7 | 3,838 | 4,506 | -1.94% | 130 | 29 | CDP |
| San Ysidro | 8 | 2,234 | 2,527 | 0.45% | 845 | 3 | CDP |
| Jemez Pueblo | 9 | 2,140 | 1,976 | 1.09% | 1,047 | 2 | CDP |
| Santo Domingo Pueblo | 10 | 1,912 | 2,281 | -1.85% | 938 | 2 | CDP |
| San Felipe Pueblo | 11 | 1,186 | 1,767 | -6.47% | 99 | 12 | CDP |
| Algodones | 12 | 1,125 | 976 | 1.9% | 154 | 7 | CDP |
| Santa Ana Pueblo | 13 | 1,105 | 944 | 3.08% | 149 | 7 | CDP |
| Zia Pueblo | 14 | 940 | 845 | 1.51% | 35 | 27 | CDP |
| Peña Blanca | 15 | 683 | 812 | -0.15% | 99 | 7 | CDP |
| Cuba | 16 | 642 | 630 | 0.31% | 197 | 3 | Village |
| Cuba | 17 | 642 | 630 | 0.31% | 197 | 3 | Village |
| Pueblo Sandia Village | 18 | 551 | 554 | 2.23% | 486 | 1 | CDP |
| Placitas | 19 | 500 | 409 | -0.99% | 3,759 | 0 | CDP |
| Cochiti | 20 | 473 | 483 | -0.84% | 607 | 1 | CDP |
| Cochiti Lake | 21 | 440 | 444 | -2% | 354 | 1 | CDP |
| La Jara | 22 | 399 | 272 | 3.1% | 28 | 14 | CDP |
| Cañon | 23 | 324 | 173 | -0.31% | 20 | 16 | CDP |
| San Luis | 24 | 206 | 204 | 7.29% | 25 | 8 | CDP |
| Jemez Springs | 25 | 204 | 202 | 0% | 42 | 5 | Village |
| Jemez Springs | 26 | 204 | 202 | 0% | 42 | 5 | Village |
| San Ysidro | 27 | 172 | 167 | 0.58% | 74 | 2 | Village |
| San Ysidro | 28 | 172 | 167 | 0.58% | 74 | 2 | Village |
| La Cueva | 29 | 108 | 93 | -3.57% | 66 | 2 | CDP |
| Ponderosa | 30 | 103 | 184 | -15.57% | 11 | 9 | CDP |
| Regina | 31 | 63 | 71 | -3.08% | 9 | 7 | CDP |
Rio Rancho is the largest city in Sandoval County, with a population of 114,544.
Regina is the smallest city in Sandoval County, with a population of 63.
There are 31 cities in Sandoval County, New Mexico.