42 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Española | 1 | 10,367 | 10,526 | -0.31% | 1,261 | 8.22 | City |
| Chimayo | 2 | 2,900 | 2,779 | -0.62% | 375 | 7.74 | CDP |
| La Mesilla | 3 | 2,627 | 2,656 | 2.22% | 590 | 4.45 | CDP |
| Dulce | 4 | 2,141 | 2,584 | -1.83% | 167 | 12.83 | CDP |
| El Valle Arroyo Seco | 5 | 1,820 | 1,807 | 1.39% | 355 | 5.13 | CDP |
| La Villita | 6 | 1,641 | 312 | 2.88% | 1,209 | 1.36 | CDP |
| El Duende | 7 | 1,214 | 681 | 2.79% | 826 | 1.47 | CDP |
| Ohkay Owingeh | 8 | 1,180 | 1,220 | 0.17% | 307 | 3.84 | CDP |
| Dixon | 9 | 1,080 | 483 | 0.93% | 94 | 11.53 | CDP |
| El Rito | 10 | 1,017 | 682 | 1.4% | 248 | 4.11 | CDP |
| La Puebla | 11 | 998 | 1,061 | -1.29% | 352 | 2.84 | CDP |
| Santa Clara Pueblo | 12 | 942 | 873 | -0.53% | 466 | 2.02 | CDP |
| Chama | 13 | 906 | 920 | -0.33% | 314 | 2.88 | Village |
| Hernandez | 14 | 891 | 931 | -0.45% | 525 | 1.70 | CDP |
| Chamita | 15 | 834 | 863 | -0.24% | 217 | 3.85 | CDP |
| Canova | 16 | 707 | 575 | 5.84% | 837 | 0.84 | CDP |
| Los Luceros | 17 | 687 | 619 | -2.14% | 419 | 1.64 | CDP |
| La Madera | 18 | 504 | 402 | 7.23% | 38 | 13.10 | CDP |
| Turley | 19 | 442 | 403 | 7.02% | 96 | 4.63 | CDP |
| Lybrook | 20 | 425 | 322 | 7.05% | 110 | 3.88 | CDP |
| Tierra Amarilla | 21 | 411 | 455 | 0.49% | 153 | 2.69 | CDP |
| Ojo Sarco | 22 | 351 | 185 | 7.01% | 103 | 3.41 | CDP |
| Ensenada | 23 | 341 | 210 | 4.92% | 234 | 1.46 | CDP |
| Gallina | 24 | 338 | 308 | 7.3% | 54 | 6.29 | CDP |
| Rio Chiquito | 25 | 264 | 76 | 7.32% | 246 | 1.07 | CDP |
| Truchas | 26 | 260 | 260 | -7.14% | 38 | 6.93 | CDP |
| Velarde | 27 | 233 | 189 | -7.17% | 91 | 2.55 | CDP |
| La Madera | 28 | 229 | 21 | 2.23% | 52 | 4.44 | CDP |
| Alcalde | 29 | 223 | 217 | -1.76% | 432 | 0.52 | CDP |
| Medanales | 30 | 212 | 218 | 7.07% | 67 | 3.16 | CDP |
| Lindrith | 31 | 175 | 75 | 7.36% | 48 | 3.64 | CDP |
| Cordova | 32 | 122 | 553 | -13.48% | 73 | 1.66 | CDP |
| Chili | 33 | 112 | 671 | -24.32% | 34 | 3.28 | CDP |
| Canjilon | 34 | 108 | 254 | -8.47% | 34 | 3.21 | CDP |
| Lumberton | 35 | 101 | 203 | 7.45% | 211 | 0.48 | CDP |
| La Boca | 36 | 96 | 92 | 6.67% | 172 | 0.56 | CDP |
| Cañones | 37 | 73 | 45 | -3.95% | 18 | 4.14 | CDP |
| Pueblito | 38 | 71 | 62 | 7.58% | 117 | 0.61 | CDP |
| Youngsville | 39 | 65 | 74 | 6.56% | 73 | 0.89 | CDP |
| Sombrillo | 40 | 62 | 100 | -24.39% | 65 | 0.95 | CDP |
| Lyden | 41 | 58 | 206 | -17.14% | 26 | 2.24 | CDP |
| Coyote | 42 | 8 | 71 | -50% | 2 | 4.15 | CDP |
Española is the largest city in Rio Arriba County, with a population of 10,367.
Coyote is the smallest city in Rio Arriba County.
There are 42 cities in Rio Arriba County, New Mexico.