Allendale

County:: Bergen County
County Seat:: No
Area (mi²):: 3.097
State:: New Jersey

Allendale is a borough located in Bergen County, New Jersey. Allendale has a 2025 population of 6,765. Allendale is currently declining at a rate of -0.19% annually and its population has decreased by -0.94% since the most recent census, which recorded a population of 6,829 in 2020.

The average household income in Allendale is $269,334 with a poverty rate of 3.3%.The median age in Allendale is 45.7 years: 45.3 years for males, and 46 years for females.

Demographics

The racial composition of Allendale includes 74.55% White, 17.04% Asian, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,084	74.55%
Asian	1,162	17.04%
Two or more races	514	7.54%
Black or African American	60	0.88%

Allendale Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Allendale's average per capita income is $112,148. Household income levels show a median of $156,992. The poverty rate stands at 3.3%.

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	$208,659	-
Families	$207,530	$325,050
Households	$156,992	$269,334
Non Families	-	$81,282

$112,148

Average Income

$156,992

Median Household Income

3.3%

Poverty Rate