| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Marysville | 1 | 12,712 | 12,844 | -0.2% | 3,670 | 3 | City |
| Wheatland | 2 | 4,369 | 3,719 | 2.39% | 538 | 8 | City |
Marysville is the largest city in Yuba County, with a population of 12,712.
Wheatland is the smallest city in Yuba County, with a population of 4,369.
There are 2 cities in Yuba County, California.