Home > CA > Sonoma County > Penngrove > Zip 94951

Zip Code 94951 — Penngrove, CA

94951 is a ZIP Code associated with Penngrove, CA, located within Sonoma. The postal region supports an estimated population of 3,294 residents across Data Pending housing units, with a population density of 98.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.322520, -122.644920)

Data MetricLocal Statistic
Postal / Zip Code94951
Primary CityPenngrove
State / ProvinceCA
CountySonoma
Total Population3,294
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density98.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 94951 Compares

MetricZIP 94951Sonoma CountyCA State Average
Population3,294458,79339,286,245
Median IncomeData PendingN/AN/A
Population Density98.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94928Rohnert Park3.1 mi46,829N/A
Zip 94931Cotati3.8 mi9,487N/A
Zip 94954Petaluma6.8 mi37,574N/A
Zip 95431Eldridge7.2 mi43N/A
Zip 95407Santa Rosa7.4 mi42,036N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →