Saint Vincent is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Marin County

Marin County, California

Marin County is a county located in the North San Francisco Bay Area of the U.S. state of California, across the Golden Gate Bridge from San Francisco. As of 2010, the population was 252,409. The county seat is San Rafael and the largest employer is the county government. Marin County is well...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. It is located on the Northwestern Pacific Railroad

Northwestern Pacific Railroad

The Northwestern Pacific Railroad is a regional railroad serving California's North Coast. The railroad currently runs on 62 miles of the 462 mile main line, stretching from Schellville, California to Eureka, California...

 1 miles (1.6 km) north-northeast of Gallinas

Gallinas, California

Gallinas is an unincorporated community in Marin County, California. It is located on the Northwestern Pacific Railroad south-southeast of downtown Novato, at an elevation of 36 feet ....

, at an elevation of 39 feet (12 m).

A post office operated at Saint Vincent from 1896 to 1922. The place was named after the Saint Vincent School for Boys built there in 1855 by the Daughters of Charity of Saint Vincent de Paul.