Allendale

County:: Solano County
County Seat:: No
Area (mi²):: 6.136
State:: California

Allendale is a CDP located in Solano County, California. Allendale has a 2025 population of 1,814. Allendale is currently growing at a rate of 1.17% annually and its population has increased by 26.94% since the most recent census, which recorded a population of 1,429 in 2020.

The average household income in Allendale is $165,110 with a poverty rate of 8.67%. The median age in Allendale is 50.9 years: 39 years for males, and 55.1 years for females.

Demographics

The racial composition of Allendale includes 64.86% White, 8.46% other race, 5.64% Black or African American, 5.12% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,242	64.86%
Two or more races	305	15.93%
Other race	162	8.46%
Black or African American	108	5.64%
Asian	98	5.12%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Allendale Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Allendale's average per capita income is $87,539. Household income levels show a median of $110,284. The poverty rate stands at 8.67%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$235,217	-
Families	$134,327	$183,671
Households	$110,284	$165,110
Non Families	-	$39,326

$87,539

Average Income

$110,284

Median Household Income

8.67%

Poverty Rate