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Alto, California - Wikipedia

Coordinates: 37°54′16″N 122°31′32″W / 37.90444°N 122.52556°W

From Wikipedia, the free encyclopedia

Alto
Census-designated place
Location of Alto in Marin County, California.
Alto Location in California
Coordinates: 37°54′16″N 122°31′32″W / 37.90444°N 122.52556°W / 37.90444; -122.52556
Country	United States
State	California
County	Marin County
Metro	San Francisco Bay Area
Area ^[1]
• 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 ^[2]	26 ft (8 m)
Population (2020)
• Total	732
• Density	5,809.52/sq mi (2,247.56/km²)
Time zone	UTC-8 (Pacific (PST))
• Summer (DST)	UTC-7 (PDT)
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 (Spanish for "Tall") is a census-designated place^[3] adjacent to Mill Valley in Marin County, California.^[2] It lies at an elevation of 26 feet (8 m).^[2] The population was 732 at the 2020 census.

Geography

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.

Demographics

Historical population
Census	Pop.	%±
2010	711	—
2020	732	3.0%
U.S. Decennial Census^[4] 1850–1870^[5]^[6] 1880-1890^[7] 1900^[8] 1910^[9] 1920^[10] 1930^[11] 1940^[12] 1950^[13] 1960^[14] 1970^[15] 1980^[16] 1990^[17] 2000^[18] 2010^[19]

At the 2010 census Alto had a population of 711. The population density was 5,654.1 inhabitants 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 people (7.2%).^[20]

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.^[21]

References

^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
^ ^a ^b ^c U.S. Geological Survey Geographic Names Information System: Alto, California
^ U.S. Geological Survey Geographic Names Information System: Alto, California
^ "Decennial Census by Decade". United States Census Bureau.
^ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Almeda County to Sutter County" (PDF). United States Census Bureau.
^ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Tehama County to Yuba County" (PDF). United States Census Bureau.
^ "1890 Census of Population - Population of California by Minor Civil Divisions" (PDF). United States Census Bureau.
^ "1900 Census of Population - Population of California by Counties and Minor Civil Divisions" (PDF). United States Census Bureau.
^ "1910 Census of Population - Supplement for California" (PDF). United States Census Bureau.
^ "1920 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
^ "1930 Census of Population - Number and Distribution of Inhabitants - California" (PDF). United States Census Bureau.
^ "1940 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
^ "1950 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
^ "1960 Census of Population - General population Characteristics - California" (PDF). United States Census Bureau.
^ "1970 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
^ "1980 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
^ "1990 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
^ "2000 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
^ "2010 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
^ "2010 Census Interactive Population Search: CA - Alto CDP". U.S. Census Bureau. Archived from the original on July 15, 2014. Retrieved July 12, 2014.
^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Marin County, CA" (PDF). U.S. Census Bureau. Retrieved April 28, 2023. - Text list

v t e Municipalities and communities of Marin County, California, United States
County seat: San Rafael
Cities and towns	Belvedere Corte Madera Fairfax Larkspur Mill Valley Novato Ross San Anselmo San Rafael Sausalito Tiburon	Marin County map
CDPs	Alto Black Point-Green Point Bolinas Dillon Beach Inverness Kentfield Lagunitas-Forest Knolls Lucas Valley-Marinwood Marin City Muir Beach Nicasio Point Reyes Station San Geronimo Santa Venetia Sleepy Hollow Stinson Beach Strawberry Tamalpais-Homestead Valley Tomales Woodacre
Unincorporated communities	Bel Marin Keys California Park Dogtown Fallon Forest Knolls Greenbrae Hamlet Ignacio Inverness Park Lagunitas Los Ranchitos Marconi Marshall Olema Paradise Cay San Quentin Tamalpais Valley Tocaloma
Former settlements	Jewell Olumpali Taylorville
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