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Penngrove California Last Updated: 07/27/2025 |
| Penngrove is a census-designated place in Sonoma County, California, at the foot of the western flank of Sonoma Mountain. It sits at an elevation of 85 ft (26 m). The population was 2,637 at the 2020 census. Penngrove offers a slice of small-town life in the heart of Sonoma County. | |
| The downtown Main Street boasts an eclectic array of shops, restaurants, wellness studios, coffee shops, and bars, occupying a variety of historic buildings, several dating back to the 1800’s when Penngrove was a center of the chicken and egg industry. | |
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