Marshall California Map

About Marshall, California

Marshall is a locality in Marin County, California, United States. It is a small community with a population of 480. The population density is 8.0 people per km². Marshall is located at 38.1605°N, 122.8942°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94940.

Marshall, California, exhales a quiet, coastal breath. It lies 14.8 miles west-south-west of Petaluma, CA (from Petaluma, CA: bearing 251°T), and is situated 4.6 miles north-north-west of Inverness. The land here, just north of the bay's expansive curve, is a study in gentle surrender, where rolling hills, greened by the persistent Pacific mist, slope down to meet the oyster beds and the placid waters of Tomales Bay. Salt-laced air, cool even in the height of summer, carries the faint cries of gulls and the low hum of boat engines. The architecture, a scattering of weathered wood and corrugated metal, seems to lean into the landscape, as if seeking shelter from the winds that sweep in from the ocean, while the ubiquitous smell of brine and damp earth is a constant, grounding presence. Marshall's story is intrinsically tied to the bounty of its waters, a heritage deeply rooted in the oyster cultivation that still defines much of its local economy. For generations, this has been a place where the rhythm of the tides dictates the pace of life, where families have coaxed sustenance from the nutrient-rich bay. While the fishing fleets of yesteryear have largely given way to the meticulous cultivation of oysters and mussels, that spirit of connection to the sea persists. The handful of businesses that dot the shoreline, from unassuming oyster bars to small-scale aquaculture operations, are testaments to a resilience forged by the constant embrace of the Pacific. It's a place where the past is not so much buried as it is interwoven with the present, a quiet continuity felt in the way the community engages with its environment.

About This Marshall Map Page

This page provides an embedded street and satellite map of Marshall, California — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.160477, -122.894162. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Marshall and Marin County.

Detailed location data for Marshall includes the ZIP code (94940), telephone area code (510), county seat of Marin County (San Rafael), and school district assignment. These are among the most commonly searched location details for any US city or town.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Marshall is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.