13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mammoth Lakes | 1 | 7,153 | 7,237 | -0.24% | 288 | 24.87 | Town |
| Crowley Lake | 2 | 1,114 | 1,145 | 1.46% | 386 | 2.89 | CDP |
| Lee Vining | 3 | 687 | 59 | 4.73% | 132 | 5.21 | CDP |
| Walker | 4 | 444 | 401 | -3.9% | 37 | 12.15 | CDP |
| Benton | 5 | 421 | 244 | 2.18% | 15 | 28.47 | CDP |
| Bridgeport | 6 | 366 | 509 | -3.68% | 17 | 21.74 | CDP |
| Coleville | 7 | 361 | 353 | -2.43% | 19 | 19.27 | CDP |
| Aspen Springs | 8 | 253 | 56 | 7.2% | 71 | 3.59 | CDP |
| Mono City | 9 | 236 | 135 | 1.72% | 30 | 7.84 | CDP |
| June Lake | 10 | 220 | 413 | -11.29% | 21 | 10.31 | CDP |
| Topaz | 11 | 202 | 369 | 6.88% | 17 | 12.18 | CDP |
| Twin Lakes | 12 | 109 | 117 | 6.86% | 26 | 4.17 | CDP |
| Sunny Slopes | 13 | 37 | 68 | -21.28% | 20 | 1.88 | CDP |
Mammoth Lakes is the largest city in Mono County, with a population of 7,153.
Sunny Slopes is the smallest city in Mono County.
There are 13 cities in Mono County, California.