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, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other 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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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