Penn Valley is a census-designated place (CDP) in Nevada County, California, United States. The population was 1,621 at the 2010 census, up from 1,387 at the 2000 census.

Located in the scenic Sierra Foothills of Northern California, this home town community is a great place to raise a family or retire in serene surroundings.  For nature lovers and outdoor sports enthusiasts Penn Valley is a year round playground. Penn Valley schools are top-rated and it’s always fun to recreate at Western Gateway Park. Signature events, such as the Penn Valley Rodeo and Rodeo Parade, the Daffodil Run and Living History days at Bridgeport offer exciting and educational experiences.  Sacramento, Truckee, Lake Tahoe and Reno are all within a 1.5 hour drive and the historic towns of Grass Valley and Nevada City are only minutes away.