Cities in Sonoma County, California by Population (2024)

There are 43 cities in Sonoma County, California.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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showing: 43 rows

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Sonoma County, California?

Santa Rosa is the largest city in Sonoma County.

What is the smallest city in Sonoma County, California?

Valley Ford is the smallest city in Sonoma County.

How many cities are in Sonoma County?

There are 43 cities in Sonoma County, California.

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