13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pine Mountain Lake | 1 | 3,098 | 2,801 | 0.65% | 163 | 19 | CDP |
| Yosemite Valley | 2 | 1,912 | 1,213 | 3.13% | 929 | 2 | CDP |
| Lake Don Pedro | 3 | 1,250 | 1,465 | 0.97% | 68 | 18 | CDP |
| Greeley Hill | 4 | 971 | 919 | 0.31% | 41 | 24 | CDP |
| Mariposa | 5 | 782 | 1,159 | -10.53% | 194 | 4 | CDP |
| Catheys Valley | 6 | 698 | 741 | -1.13% | 30 | 24 | CDP |
| El Portal | 7 | 480 | 271 | 0% | 258 | 2 | CDP |
| Bootjack | 8 | 181 | 431 | -22.32% | 47 | 4 | CDP |
| Wawona | 9 | 110 | 166 | -3.51% | 102 | 1 | CDP |
| Mt. Bullion | 10 | 100 | 105 | 7.53% | 164 | 1 | CDP |
| Hornitos | 11 | 68 | 74 | 7.94% | 59 | 1 | CDP |
| Bear Valley | 12 | 58 | 135 | -6.45% | 24 | 2 | CDP |
| Yosemite West | 13 | 36 | 33 | 5.88% | 131 | 0 | CDP |
Pine Mountain Lake is the largest city in Mariposa County, with a population of 3,098.
Yosemite West is the smallest city in Mariposa County, with a population of 36.
There are 13 cities in Mariposa County, California.