Home > CA > Marin County > Marshall > Zip 94940

Zip Code 94940 — Marshall, CA

94940 is a ZIP Code associated with Marshall, CA, located within Marin. The postal region supports an estimated population of 148 residents across Data Pending housing units, with a population density of 2.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.157540, -122.863760)

Data MetricLocal Statistic
Postal / Zip Code94940
Primary CityMarshall
State / ProvinceCA
CountyMarin
Total Population148
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 94940 Compares

MetricZIP 94940Marin CountyCA State Average
Population148290,84639,286,245
Median IncomeData PendingN/AN/A
Population Density2.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 94937Inverness5.5 mi1,009N/A
Zip 94971Tomales5.7 mi276N/A
Zip 94952Petaluma7.4 mi33,785N/A
Zip 94956Point Reyes Station8.1 mi1,080N/A
Zip 94929Dillon Beach8.6 mi293N/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 →