Allendale, Solano County, California

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Allendale is located in California
Coordinates: 38°26′41″N 121°56′35″W / 38.44472°N 121.94306°W / 38.44472; -121.94306Coordinates: 38°26′41″N 121°56′35″W / 38.44472°N 121.94306°W / 38.44472; -121.94306
CountryUnited States
Metro areaSan Francisco Bay Area
 • Total6.20 sq mi (16.06 km2)
 • Land6.14 sq mi (15.89 km2)
 • Water0.06 sq mi (0.16 km2)  1.02%
Elevation121 ft (37 m)
 • Total1,651
 • Density269.07/sq mi (103.88/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
Area code(s)707
FIPS code06-00996
GNIS feature ID218147
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.


According to the United States Census Bureau, the CDP covers an area of 6.2 square miles (16.1 km2), 98.98% of it land and 1.02% of it water.


Historical population
Census Pop.
U.S. Decennial Census[3]

The 2010 United States Census[4] reported that 1,506 people, 528 households, and 431 families resided in the CDP. The population density was 245.4 people per square mile (94.8/km2). There were 554 housing units at an average density of 89.4 per square mile (34.5/km2). 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[edit]

Literary reference[edit]

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


  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. ^ "Census of Population and Housing". Retrieved June 4, 2016.
  4. ^ "2010 Census Interactive Population Search: CA - Allendale CDP". U.S. Census Bureau. Archived from the original on July 15, 2014. Retrieved July 12, 2014.
  5. ^ Bowen, Jerry (25 August 2002). "A perilous wagon-train trip west". Vacaville Reporter. Retrieved 25 February 2015.