Alto | |
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Census-designated place | |
Location of Alto in Marin County, California. |
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Location in California | |
Coordinates: 37°54′16″N 122°31′32″W / 37.90444°N 122.52556°WCoordinates: 37°54′16″N 122°31′32″W / 37.90444°N 122.52556°W | |
Country | United States |
State | California |
County | Marin County |
Metro | San Francisco Bay Area |
Area | |
• Total | 0.13 sq mi (0.33 km2) |
• Land | 0.13 sq mi (0.33 km2) |
• Water | 0.00 sq mi (0.00 km2) 0% |
Elevation | 26 ft (8 m) |
Population (2010) | |
• Total | 42,777 |
• Estimate (2016) | N/A |
Time zone | Pacific (PST) (UTC-8) |
• Summer (DST) | PDT (UTC-7) |
GNIS feature ID | 218191; 2582933 |
U.S. Geological Survey Geographic Names Information System: Alto, California; U.S. Geological Survey Geographic Names Information System: Alto, California |
Alto is a census-designated place adjacent to Mill Valley in Marin County, California. It lies at an elevation of 26 feet (8 m). The population was 711 at the 2010 census.
According to the United States Census Bureau, the CDP covered an area of 0.326 square kilometers (0.126 sq mi), all of it land.
The 2010 United States Census reported that Alto had a population of 711. The population density was 5,654.1 people per square mile (2,183.1/km²). 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 persons (7.2%).
The Census reported that 100% of the population lived in households.
There were 297 households, out of which 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 made up of individuals and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.39. There were 180 families (60.6% of all households); the average family size was 3.05.