13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Los Lunas | 1 | 20,256 | 17,313 | 2.99% | 995 | 20.36 | Village |
| Belen | 2 | 7,541 | 7,373 | 0.45% | 397 | 19.01 | City |
| El Cerro Mission | 3 | 5,084 | 4,808 | 0.55% | 864 | 5.88 | CDP |
| Meadow Lake | 4 | 4,754 | 4,266 | 0.06% | 412 | 11.54 | CDP |
| Bosque Farms | 5 | 4,111 | 4,023 | 0.44% | 1,045 | 3.94 | Village |
| Peralta | 6 | 3,476 | 3,356 | 0.7% | 782 | 4.44 | Town |
| El Cerro | 7 | 3,317 | 3,138 | 0.76% | 781 | 4.25 | CDP |
| Valencia | 8 | 1,967 | 1,995 | -0.76% | 991 | 1.98 | CDP |
| Las Maravillas | 9 | 1,838 | 1,960 | 0.77% | 1,820 | 1.01 | CDP |
| Jarales | 10 | 1,494 | 2,207 | -4.17% | 171 | 8.72 | CDP |
| Tome | 11 | 800 | 1,585 | -8.15% | 145 | 5.52 | CDP |
| Adelino | 12 | 782 | 1,110 | -0.26% | 262 | 2.98 | CDP |
| Monterey Park | 13 | 338 | 1,097 | -19.52% | 128 | 2.65 | CDP |
Los Lunas is the largest city in Valencia County, with a population of 20,256.
Monterey Park is the smallest city in Valencia County.
There are 13 cities in Valencia County, New Mexico.