ZIP code · Marshall · California · United States
ZIP code 94940 — Marshall
ZIP code 94940 serves Marshall, California.
- Postal code
- 94940Single source Value from one source, not cross-checked.
- City
- Marshall
- County
- Marin FIPS 06041
- State
- California
- Country
- United States
- Coordinates
- 38.1762, -122.8900 — precision precise (locality)
View on OpenStreetMap - Population
- 275 (ZCTA, ACS 5-year)
- Population density
- 10 / sq mi
- Land area
- 26.2 sq mi (67.9 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $132,697
- Median age
- 57.2
- Households
- 123
- Housing units
- 189
- Congressional district
- CA-2 (119th Congress)
- USDA hardiness zone
- 9b (25 to 30 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 94940 with another ZIP · ZIPs within 25 miles · distance from 94940
Map of ZIP code 94940
Climate — monthly normals
Warmest month Sep (avg high 66°F), coldest Dec (avg low 44°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 56 | 56 | 57 | 57 | 58 | 61 | 62 | 63 | 66 | 62 | 59 | 55 |
| Avg low °F | 45 | 45 | 46 | 46 | 48 | 49 | 51 | 52 | 51 | 49 | 47 | 44 |
| Precip in | 5.3 | 6.0 | 3.9 | 2.2 | 1.2 | 0.5 | 0.1 | 0.1 | 0.2 | 1.8 | 2.9 | 4.6 |
NOAA 1991–2020 climate normals from the nearest station: BODEGA 6 WSW (14.2 mi) · NOAA NCEI
Places in ZIP 94940
- 1 schools
- 4 restaurants & cafés
- 6 parks
- 1 post offices
- 1 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page