Home > CA > Marin County > Greenbrae > Zip 94904

Zip Code 94904 — Greenbrae, CA

94904 is a ZIP Code associated with Greenbrae, CA, located within Marin. The postal region supports an estimated population of 12,815 residents across Data Pending housing units, with a population density of 1,000.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.948410, -122.552880)

Data MetricLocal Statistic
Postal / Zip Code94904
Primary CityGreenbrae
State / ProvinceCA
CountyMarin
Total Population12,815
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,000.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 94904 Compares

MetricZIP 94904Marin CountyCA State Average
Population12,815290,84639,286,245
Median IncomeData PendingN/AN/A
Population Density1,000.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94957Ross1.1 mi2,321N/A
Zip 94939Larkspur1.2 mi7,315N/A
Zip 94925Corte Madera2.7 mi10,077N/A
Zip 94941Mill Valley3.1 mi32,706N/A
Zip 94964San Quentin3.3 mi2,344N/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 →