ZIP code · Penngrove · California · United States
ZIP code 94951 — Penngrove
ZIP code 94951 serves Penngrove, California.
- Postal code
- 94951Single source Value from one source, not cross-checked.
- City
- Penngrove
- County
- Sonoma
- State
- California
- Country
- United States
- Coordinates
- 38.3153, -122.6483 — precision precise (locality)
View on OpenStreetMap - Population
- 3,628 (ZCTA, ACS 5-year)
- Median household income
- $116,093
- Median age
- 45.8
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page