This is a list of the 10 largest cities in Northern California by population. Official definitions of cities are defined according to the concept of city proper. The list ranks the regions urban municipal units (or well-defined statistical groupings of such units) according to population. Note that the populations listed are for the city proper and not for the urban area nor the metropolitan area. Population figures for Southern California cities are based on the reports of the 2010 United States Census.[1]

1. Sacramento

2. Stockton

3. Santa Rosa

4. Roseville

5. Redding

6. Chico

7. Napa

8. Yuba City

9. Eureka

10. San Rafael