Alto (

Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Cana ...

for "Tall") is a

census-designated place A census-designated place (CDP) is a concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, such ...

adjacent to

Mill Valley Mill Valley is a city in Marin County, California, United States, located about north of San Francisco via the Golden Gate Bridge and from Napa Valley. The population was 14,231 at the 2020 census. Mill Valley is located on the western and ...

Marin County Marin County is a county located in the northwestern part of the San Francisco Bay Area of the U.S. state of California. As of the 2020 census, the population was 262,231. Its county seat and largest city is San Rafael. Marin County is acros ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. It lies at an elevation of 26 feet (8 m). The population was 732 at the 2020 census.

Geography

According to the

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the ...

, the CDP covered an area of , all of it land.

Demographics

At the 2010 census Alto had a population of 711. The population density was . The racial makeup of Alto was 619 (87.1%) White, 8 (1.1%) African American, 2 (0.3%) Native American, 30 (4.2%) Asian, 1 (0.1%) Pacific Islander, 16 (2.3%) from other races, and 35 (4.9%) from two or more races. Hispanic or Latino of any race were 51 people (7.2%). The census reported that 100% of the population lived in households. There were 297 households, 108 (36.4%) had children under the age of 18 living in them, 140 (47.1%) were opposite-sex married couples living together, 34 (11.4%) had a female householder with no husband present, 6 (2.0%) had a male householder with no wife present. There were 17 (5.7%) unmarried opposite-sex partnerships, and 0 (0%) same-sex married couples or partnerships. 33.7% of households were one person and 10.1% were one person aged 65 or older. The average household size was 2.39. There were 180 families (60.6% of households); the average family size was 3.05. The age distribution was 177 people (24.9%) under the age of 18, 47 people (6.6%) aged 18 to 24, 188 people (26.4%) aged 25 to 44, 236 people (33.2%) aged 45 to 64, and 63 people (8.9%) who were 65 or older. The median age was 41.0 years. For every 100 females, there were 81.8 males. For every 100 females age 18 and over, there were 79.2 males. There were 313 housing units at an average density of 2,489.1 per square mile, of the occupied units 157 (52.9%) were owner-occupied and 140 (47.1%) were rented. The homeowner vacancy rate was 0.6%; the rental vacancy rate was 4.1%. 60.3% of the population lived in owner-occupied housing units and 39.7% lived in rental housing units.

Education

The community is in the Mill Valley Elementary School District and the

Tamalpais Union High School District The Tamalpais Union High School District or TUHSD provides high school education to students residing in ten elementary districts in central and southern Marin County, California and parts of West Marin. The headquarters are on the property of ...

.
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References

{{authority control Census-designated places in Marin County, California Census-designated places in California