24 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Merced | 1 | 98,224 | 86,893 | 2.36% | 4,224 | 23.25 | City |
| Los Banos | 2 | 50,463 | 45,687 | 1.93% | 5,048 | 10 | City |
| Atwater | 3 | 32,132 | 31,931 | 0.13% | 4,893 | 6.57 | City |
| Livingston | 4 | 14,921 | 14,225 | 0.94% | 4,060 | 3.67 | City |
| Winton | 5 | 12,329 | 11,619 | 0.93% | 4,054 | 3.04 | CDP |
| Delhi | 6 | 10,931 | 11,837 | 0.1% | 3,114 | 3.51 | CDP |
| Franklin | 7 | 7,939 | 7,709 | 1.52% | 3,920 | 2.02 | CDP |
| Hilmar-Irwin | 8 | 6,806 | 5,937 | 1.61% | 1,733 | 3.93 | CDP |
| Gustine | 9 | 6,073 | 6,138 | -0.21% | 3,230 | 1.88 | City |
| Dos Palos | 10 | 5,656 | 5,785 | -0.46% | 4,193 | 1.35 | City |
| McSwain | 11 | 5,260 | 4,429 | 1.41% | 873 | 6.03 | CDP |
| Planada | 12 | 3,221 | 3,984 | -2.75% | 1,850 | 1.74 | CDP |
| Santa Nella | 13 | 2,224 | 1,981 | 2.58% | 475 | 4.68 | CDP |
| Le Grand | 14 | 1,684 | 1,597 | 0.12% | 1,477 | 1.14 | CDP |
| South Dos Palos | 15 | 1,440 | 1,167 | -0.83% | 936 | 1.54 | CDP |
| University California-Merced | 16 | 1,349 | 0 | 7.15% | 2,069 | 0.65 | CDP |
| Ballico | 17 | 567 | 508 | 1.98% | 188 | 3.02 | CDP |
| El Nido | 18 | 491 | 283 | 2.29% | 149 | 3.29 | CDP |
| Cressey | 19 | 352 | 243 | -0.56% | 200 | 1.76 | CDP |
| Volta | 20 | 303 | 133 | 1% | 69 | 4.37 | CDP |
| Bear Creek | 21 | 241 | 95 | -1.23% | 4,228 | 0.06 | CDP |
| Snelling | 22 | 165 | 115 | -2.37% | 306 | 0.54 | CDP |
| Stevinson | 23 | 87 | 196 | -14.71% | 77 | 1.13 | CDP |
| Tuttle | 24 | 56 | 97 | -5.08% | 32 | 1.76 | CDP |
Merced is the largest city in Merced County, with a population of 98,224.
Tuttle is the smallest city in Merced County.
There are 24 cities in Merced County, California.