22 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Taos | 1 | 6,443 | 6,504 | -0.15% | 1,067 | 6 | Town |
| Taos | 2 | 6,443 | 6,492 | -0.15% | 1,067 | 6 | Town |
| Ranchos Taos | 3 | 2,262 | 2,086 | -0.75% | 641 | 4 | CDP |
| Arroyo Seco | 4 | 1,876 | 2,311 | 0.32% | 275 | 7 | CDP |
| Questa | 5 | 1,802 | 1,799 | 0.06% | 255 | 7 | Village |
| Questa | 6 | 1,802 | 1,797 | 0.06% | 255 | 7 | Village |
| Talpa | 7 | 1,754 | 1,245 | 3.85% | 1,338 | 1 | CDP |
| Taos Pueblo | 8 | 1,494 | 1,443 | 1.63% | 96 | 16 | CDP |
| Peñasco | 9 | 738 | 648 | 1.37% | 607 | 1 | CDP |
| Rio Lucio | 10 | 679 | 522 | 2.88% | 645 | 1 | CDP |
| Red River | 11 | 536 | 542 | -0.19% | 528 | 1 | Town |
| Red River | 12 | 536 | 541 | -0.19% | 528 | 1 | Town |
| Costilla | 13 | 466 | 89 | 3.79% | 154 | 3 | CDP |
| Vadito | 14 | 385 | 307 | 2.12% | 447 | 1 | CDP |
| Chamisal | 15 | 370 | 364 | 1.09% | 225 | 2 | CDP |
| Arroyo Hondo | 16 | 286 | 586 | 7.12% | 90 | 3 | CDP |
| Picuris Pueblo | 17 | 94 | 128 | 6.82% | 206 | 0 | CDP |
| Taos Ski Valley | 18 | 82 | 79 | 0% | 29 | 3 | Village |
| Taos Ski Valley | 19 | 82 | 80 | 0% | 29 | 3 | Village |
| Ojo Caliente | 20 | 59 | 65 | 7.27% | 22 | 3 | CDP |
| Arroyo Hondo | 21 | 40 | 230 | -42.03% | 24 | 2 | CDP |
| San Cristobal | 22 | 37 | 156 | -28.85% | 5 | 7 | CDP |
Taos is the largest city in Taos County, with a population of 6,443.
San Cristobal is the smallest city in Taos County, with a population of 37.
There are 22 cities in Taos County, New Mexico.