Allendale is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), 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 counte ...

(CDP) in

Solano County Solano County () is a county located in the U.S. state of California. As of the 2020 census, its population was 453,491. The county seat is Fairfield. Solano County comprises the Vallejo–Fairfield metropolitan statistical area, which is a ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, United States. Allendale is located along

Interstate 505 Interstate 505 (I-505) is a north–south auxiliary Interstate Highway in the Sacramento Valley in Northern California. It is a spur auxiliary route of I-5 that runs from near Dunnigan south to I-80 in Vacaville. I-505 is primarily a ru ...

west of Dixon. The population was 1,651 at the 2020 census.

Geography

According to the

United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...

, the CDP covers an area of 6.2 square miles (16.1 km²), 98.98% of it land and 1.02% of it water.

Demographics

The 2020 United States census reported that Allendale had a population of 1,651. The population density was . The racial makeup of Allendale was 73.2%

White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, 3.1%

African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...

, 0.9% Native American, 2.3% Asian, 0.2%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...

, 7.0% from other races, and 13.2% from two or more races.

Hispanic or Latino ''Hispanic'' and '' Latino'' are ethnonyms used to refer collectively to the inhabitants of the United States who are of Spanish or Latin American ancestry (). While many use the terms interchangeably, for example, the United States Census Bureau ...

of any race were 17.3% of the population. The census reported that 99.7% of the population lived in households and 0.3% lived in non-institutionalized group quarters. There were 595 households, out of which 31.3% included children under the age of 18, 76.0% were married-couple households, 4.0% were

cohabiting Cohabitation is an arrangement where people who are not legally married live together as a couple. They are often involved in a romantic or sexually intimate relationship on a long-term or permanent basis. Such arrangements have become incr ...

couple households, 12.1% had a female householder with no partner present, and 7.9% had a male householder with no partner present. 11.3% of households were one person, and 7.9% were one person aged 65 or older. The average household size was 2.77. There were 500

families Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...

(84.0% of all households). The age distribution was 17.1% under the age of 18, 6.5% aged 18 to 24, 18.6% aged 25 to 44, 35.1% aged 45 to 64, and 22.7% who were 65years of age or older. The median age was 51.3years. For every 100 females, there were 95.6 males. There were 619 housing units at an average density of , of which 595 (96.1%) were occupied. Of these, 90.6% were owner-occupied, and 9.4% were occupied by renters.

Notable residents

John Udell John Udell (22 June 1795 – 30 June 1874) was an American farmer and Baptist lay preacher who is primarily known for two detailed diaries he kept of his travels to California across the Great Plains of the United States. He traversed the overl ...

diarist A diary is a writing, written or audiovisual Memorabilia, memorable record, with discrete entries arranged by Calendar date, date reporting on what has happened over the course of a day or other period. Diaries have traditionally been handwriti ...

of the

American Frontier The American frontier, also known as the Old West, and popularly known as the Wild West, encompasses the Geography of the United States, geography, History of the United States, history, Folklore of the United States, folklore, and Cultur ...

lived in Allendale from 1859 to 1871.Bowen, Jerry (August 25, 2002).
"A perilous wagon-train trip west
. ''Vacaville Reporter''. Retrieved February 25, 2015.

Literary reference

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

References

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