Allendale Flag

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.

1.8K
Total Population
296
Density (mi²)
21 1.17%
Growth

Allendale Population

Allendale Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,24264.86%
Two or more races30515.93%
Other race1628.46%
Black or African American1085.64%
Asian985.12%

Allendale Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)