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Allendale
CDP
AllendaleShow map of CaliforniaAllendaleShow map of the United States
Coordinates: 38°26′41″N 121°56′35″W / 38.44472°N 121.94306°W / 38.44472; -121.94306
Country	United States
State	California
County	Solano
Metro area	San Francisco Bay Area
Area
• Total	6.20 sq mi (16.06 km)
• Land	6.14 sq mi (15.89 km)
• Water	0.06 sq mi (0.16 km)  1.02%
Elevation	121 ft (37 m)
Population
• Total	1,651
• Density	269.07/sq mi (103.88/km)
Time zone	UTC-8 (Pacific (PST))
• Summer (DST)	UTC-7 (PDT)
Area code	707
FIPS code	06-00996
GNIS feature ID	218147
U.S. Geological Survey Geographic Names Information System: Allendale, Solano County, California

Allendale is a census-designated place (CDP) in Solano County, California, United States. Allendale is located along Interstate 505 6.5 miles (10.5 km) west of Dixon. The population was 1,506 at the 2010 census.

Geography

According to the United States Census Bureau, the CDP covers an area of 6.2 square miles (16.1 km), 98.98% of it land and 1.02% of it water.

Demographics

The 2010 United States Census reported that 1,506 people, 528 households, and 431 families resided in the CDP. The population density was 245.4 inhabitants per square mile (94.7/km). There were 554 housing units at an average density of 89.4 per square mile (34.5/km). The racial makeup of the CDP was 82.3% White (75.0% non-Hispanic), 3.3% African American, 1.5% Native American, 2.8% Asian, 0.1% Pacific Islander, 5.2% from other races, and 4.8% from two or more races. 15.6% of the population was Hispanic or Latino of any race.

The Census reported that 99.7% of the population lived in households and 0.3% lived in non-institutionalized group quarters.

There were 528 households, out of which 32.4% had children under the age of 18 living in them, 71.2% were opposite-sex married couples living together, 5.3% had a female householder with no husband present, and 5.1% had a male householder with no wife present. 4.2% of households were unmarried opposite-sex partnerships and 0.8% were same-sex married couples or partnerships. 15.0% of households were made up of individuals, and 5.9% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.11.

The population was spread out, with 21.0% under the age of 18, 7.1% aged 18 to 24, 16.9% aged 25 to 44, 38.9% aged 45 to 64, and 16.1% who were 65 years of age or older. The median age was 47.3 years. For every 100 females, there were 105.2 males. For every 100 females age 18 and over, there were 103.4 males.

There were 554 housing units, of which 89.2% were owner-occupied and 10.8% were occupied by renters. The homeowner vacancy rate was 0%; the rental vacancy rate was 5.0%. 89.2% of the population lived in owner-occupied housing units and 10.4% lived in rental housing units.

Notable residents

• John Udell, diarist of the American Frontier lived in Allendale from 1859 to 1871.

Literary reference

Allendale, CA, is the setting of Ray Bradbury's short story, "There Will Come Soft Rains".

References

1. "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
2. U.S. Geological Survey Geographic Names Information System: Allendale, Solano County, California
3. "Decennial Census by Decade". United States Census Bureau.
4. "1870 Census of Population - Population of Civil Divisions less than Counties - California - Almeda County to Sutter County" (PDF). United States Census Bureau.
5. "1870 Census of Population - Population of Civil Divisions less than Counties - California - Tehama County to Yuba County" (PDF). United States Census Bureau.
6. "1890 Census of Population - Population of California by Minor Civil Divisions" (PDF). United States Census Bureau.
7. "1900 Census of Population - Population of California by Counties and Minor Civil Divisions" (PDF). United States Census Bureau.
8. "1910 Census of Population - Supplement for California" (PDF). United States Census Bureau.
9. "1920 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
10. "1930 Census of Population - Number and Distribution of Inhabitants - California" (PDF). United States Census Bureau.
11. "1940 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
12. "1950 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
13. "1960 Census of Population - General population Characteristics - California" (PDF). United States Census Bureau.
14. "1970 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
15. "1980 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
16. "1990 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
17. "2000 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
18. "2010 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
19. "2010 Census Interactive Population Search: CA - Allendale CDP". U.S. Census Bureau. Archived from the original on July 15, 2014. Retrieved July 12, 2014.
20. Bowen, Jerry (August 25, 2002). "A perilous wagon-train trip west". Vacaville Reporter. Retrieved February 25, 2015.

v t e Municipalities and communities of Solano County, California, United States
County seat: Fairfield
Cities	Benicia Dixon Fairfield Rio Vista Suisun City Vacaville Vallejo
CDPs	Allendale Elmira Green Valley Hartley
Unincorporated communities	Batavia Birds Landing Collinsville Cordelia Denverton Maine Prairie Mankas Corner Rio Vista Junction Rockville
Ghost town	Cement Tremont Township
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v t e San Francisco Bay Area
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Counties	Alameda Contra Costa Marin Napa San Francisco San Mateo Santa Clara Solano Sonoma
Cities and towns	Major cities Oakland San Francisco San Jose 100k–250k Antioch Berkeley Concord Daly City Fairfield Fremont Hayward Richmond San Mateo Santa Clara Santa Rosa Sunnyvale Vacaville Vallejo 50k–100k Alameda Brentwood Cupertino Dublin Gilroy Livermore Milpitas Mountain View Napa Novato Palo Alto Petaluma Pittsburg Pleasanton Redwood City San Leandro San Rafael San Ramon South San Francisco Union City Walnut Creek 25k–50k Belmont Benicia Burlingame Campbell Danville East Palo Alto El Cerrito Foster City Hercules Lafayette Los Altos Los Gatos Martinez Menlo Park Morgan Hill Newark Oakley Pacifica Pleasant Hill Rohnert Park San Bruno San Carlos San Pablo Saratoga Suisun City Windsor 10k–25k Albany American Canyon Clayton Corte Madera Dixon Emeryville Half Moon Bay Healdsburg Hillsborough Larkspur Mill Valley Millbrae Moraga Orinda Piedmont Pinole Rio Vista San Anselmo Sonoma Under 10k Atherton Belvedere Brisbane Calistoga Cloverdale Colma Cotati Fairfax Los Altos Hills Monte Sereno Portola Valley Ross St. Helena Sausalito Sebastopol Tiburon Woodside Yountville
CDPs over 10k	Alamo Alum Rock Ashland Bay Point Castro Valley Cherryland Discovery Bay El Sobrante Fairview North Fair Oaks San Lorenzo Stanford Tamalpais-Homestead Valley
Sub-regions	East Bay North Bay San Francisco Peninsula Santa Clara Valley
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• Census-designated places in Solano County, California
• Census-designated places in California