Tamalpais-Homestead Valley is a census-designated place (CDP) in Marin County, California, United States. The population was 10,735 at the 2010 census.
Tamalpais-Homestead Valley is located at 37°53′19″N 122°32′23″W / 37.888526°N 122.539609°W / 37.888526; -122.539609. Nearest cities are Mill Valley to the north and Sausalito to the south. It is about 10 minutes north of San Francisco and the Golden Gate Bridge by car. California State Route 1 (also known as Shoreline Highway and the Pacific Coast Highway) runs through the Valley and is the road most often used to access western Marin County. Nearby landmarks include the Golden Gate National Recreation Area (GGNRA), Mount Tamalpais State Park, Muir Woods National Monument, Tennessee Valley and Muir Beach.
According to the United States Census Bureau, the CDP has a total area of 4.7 square miles (12 km), of which, 4.6 square miles (12 km) of it is land and 0.32% is water.
The 2010 United States Census reported that Tamalpais-Homestead Valley had a population of 10,735. The population density was 2,307.6 people per square mile (891.0/km²). The racial makeup of Tamalpais-Homestead Valley was 9,449 (88.0%) White, 91 (0.8%) African American, 24 (0.2%) Native American, 592 (5.5%) Asian, 28 (0.3%) Pacific Islander, 121 (1.1%) from other races, and 430 (4.0%) from two or more races. Hispanic or Latino of any race were 499 persons (4.6%).
The Census reported that 99.9% of the population lived in households and 0.1% lived in non-institutionalized group quarters.
There were 4,447 households, out of which 1,516 (34.1%) had children under the age of 18 living in them, 2,458 (55.3%) were opposite-sex married couples living together, 312 (7.0%) had a female householder with no husband present, 149 (3.4%) had a male householder with no wife present. There were 234 (5.3%) unmarried opposite-sex partnerships, and 65 (1.5%) same-sex married couples or partnerships. 1,143 households (25.7%) were made up of individuals and 383 (8.6%) had someone living alone who was 65 years of age or older. The average household size was 2.41. There were 2,919 families (65.6% of all households); the average family size was 2.92.
The population was spread out with 2,571 people (23.9%) under the age of 18, 345 people (3.2%) aged 18 to 24, 2,344 people (21.8%) aged 25 to 44, 3,964 people (36.9%) aged 45 to 64, and 1,511 people (14.1%) who were 65 years of age or older. The median age was 45.5 years. For every 100 females, there were 94.4 males. For every 100 females age 18 and over, there were 92.2 males.
There were 4,703 housing units at an average density of 1,010.9 per square mile (390.3/km²), of which 76.1% were owner-occupied, and 23.9% were occupied by renters. The homeowner vacancy rate was 1.3%; the rental vacancy rate was 4.6%. 79.5% of the population lived in owner-occupied housing units and 20.4% lived in rental housing units.
As of the census of 2000, there were 10,691 people, 4,558 households, and 2,803 families residing in the CDP. The population density was 2,145.8 people per square mile (828.9/km²). There were 4,646 housing units at an average density of 932.5 per square mile (360.2/km²). The racial makeup of the CDP in 2010 was 85.0% non-Hispanic White, 0.8% non-Hispanic African American, 0.1% Native American, 5.5% Asian, 0.2% Pacific Islander, 0.3% from other races, and 3.4% from two or more races. Hispanic or Latino of any race were 4.6% of the population.
There were 4,558 households out of which 28.9% had children under the age of 18 living with them, 51.5% were married couples living together, 6.9% had a female householder with no husband present, and 38.5% were non-families. 25.7% of all households were made up of individuals and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.80.
In the CDP, the population was spread out with 20.1% under the age of 18, 3.4% from 18 to 24, 31.6% from 25 to 44, 35.7% from 45 to 64, and 9.2% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 94.2 males. For every 100 females age 18 and over, there were 92.1 males.
The median income for a household in the CDP was $102,094, and the median income for a family was $122,142. Males had a median income of $79,518 versus $60,058 for females. The per capita income for the CDP was $56,913. About 1.7% of families and 3.8% of the population were below the poverty line, including 3.1% of those under age 18 and 4.5% of those age 65 or over.