San Anselmo is a town located in Marin County, California, in the western United States. It is located about 20 miles north of San Francisco. Neighboring towns include San Rafael to the east, Fairfax to the west, Ross to the south, and Terra Linda to the north. As of the 2000 census, the town had a total population of 12,378.
San Anselmo was mostly pastoral until 1874 when the North Pacific Coast Railroad added to its line a spur track from San Anselmo to San Rafael. In 1875, the railroad completed a line from Sausalito to Tamales via San Anselmo. For a few years, the town was referred to on railroad maps as Junction, but in 1883, the name San Anselmo came back into use.
San Anselmo incorporated in April 9, 1907. Its name came from the Punta de Quintin land grant, which marked this valley as the Canada del Anselmo (Valley of Anselm - an Indian who was buried in the area).
San Anselmo was a silent film capital in the early 1900s.
On March 12, 1974 San Anselmo officially became a Town.
San Anselmo is essentially a family town with a gentle pace and friendly ambiance.
San Anselmo is located at 37°58'48" North, 122°34'5" West (37.980073, -122.568123).
According to the United States Census Bureau, the town has a total area of 7.1 km2 (2.8 mi2). 7.1 km2 (2.8 mi2) of it is land and none of it is covered by water.
As of the census of 2000, there are 12,378 people, 5,267 households, and 3,191 families residing in the town. The population density is 1,737.9/km2 (4,506.5/mi2). There are 5,408 housing units at an average density of 759.3/km2 (1,968.9/mi2). The racial makeup of the town is 91.62% White, 1.05% African American, 0.40% Native American, 2.92% Asian, 0.12% Pacific Islander, 0.95% from other races, and 2.93% from two or more races. 4.14% of the population are Hispanic or Latino of any race.
There are 5,267 households out of which 30.2% have children under the age of 18 living with them, 48.5% are married couples living together, 8.7% have a female householder with no husband present, and 39.4% are non-families. 28.7% of all households are made up of individuals and 7.3% have someone living alone who is 65 years of age or older. The average household size is 2.30 and the average family size is 2.84.
In the town the population is spread out with 21.8% under the age of 18, 4.4% from 18 to 24, 31.4% from 25 to 44, 31.1% from 45 to 64, and 11.3% who are 65 years of age or older. The median age is 41 years. For every 100 females there are 89.2 males. For every 100 females age 18 and over, there are 85.4 males.
The median income for a household in the town is $71,488, and the median income for a family is $86,528. Males have a median income of $61,172 versus $47,170 for females. The per capita income for the town is $41,977. 5.1% of the population and 2.5% of families are below the poverty line. Out of the total population, 1.7% of those under the age of 18 and 3.1% of those 65 and older are living below the poverty line.