14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Davis | 1 | 67,180 | 66,903 | 0.08% | 6,737 | 10 | City |
| Woodland | 2 | 63,487 | 60,967 | 0.8% | 4,145 | 15 | City |
| West Sacramento | 3 | 56,534 | 53,819 | 0.97% | 2,633 | 21 | City |
| Winters | 4 | 7,983 | 7,191 | 2.02% | 2,720 | 3 | City |
| Esparto | 5 | 3,723 | 4,009 | 1.11% | 809 | 5 | CDP |
| Monument Hills | 6 | 1,216 | 1,354 | -1.78% | 305 | 4 | CDP |
| Knights Landing | 7 | 985 | 981 | -0.1% | 1,824 | 1 | CDP |
| Dunnigan | 8 | 952 | 1,391 | -3.15% | 182 | 5 | CDP |
| Madison | 9 | 443 | 502 | -0.89% | 287 | 2 | CDP |
| Clarksburg | 10 | 273 | 366 | -3.53% | 135 | 2 | CDP |
| Yolo | 11 | 239 | 196 | -5.53% | 174 | 1 | CDP |
| Guinda | 12 | 179 | 113 | -2.72% | 61 | 3 | CDP |
| Rumsey | 13 | 164 | 107 | 7.19% | 67 | 2 | CDP |
| Tancred | 14 | 51 | 19 | 6.25% | 32 | 2 | CDP |
Davis is the largest city in Yolo County, with a population of 67,180.
Tancred is the smallest city in Yolo County, with a population of 51.
There are 14 cities in Yolo County, California.