Marin County, California
Marin County is a county in California with an estimated population of 254,407 in 2023. 11 cities, towns and Census places in it are indexed here.
Largest places in Marin County
San Rafael 59,555Novato 51,722Mill Valley 13,792Larkspur 12,589San Anselmo 12,498Corte Madera 9,947Tiburon 8,846Fairfax 7,417Sausalito 7,021Ross 2,290Belvedere 2,050
About Marin County
Marin County is one of the counties of California. County governments in California handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.