There are 8 zip codes in Nevada County, California. The most populated is 95945, located in Grass Valley. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
95945Grass Valley27,388
95949Grass Valley21,232
96161Truckee19,146
95959Nevada City18,244
95946Penn Valley9,049
95975Rough And Ready1,628
95986Washington104
96111Floriston23

Nevada County, California Zip Codes by Population (2024)