Andover

County:: Sussex County
County Seat:: No
Area (mi²):: 1.348
State:: New Jersey

Andover is a borough located in Sussex County, New Jersey. Andover has a 2025 population of 610. Andover is currently growing at a rate of 0.66% annually and its population has increased by 3.04% since the most recent census, which recorded a population of 592 in 2020.

The average household income in Andover is $108,674 with a poverty rate of 4.89%. The median age in Andover is 42.5 years: 39.4 years for males, and 45.1 years for females.

Demographics

The racial composition of Andover includes 81.28% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	582	81.28%
Two or more races	134	18.72%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Andover Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Andover's average per capita income is $56,500. Household income levels show a median of $78,750. The poverty rate stands at 4.89%.

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	$176,250	-
Families	$109,375	$119,216
Households	$78,750	$108,674
Non Families	$53,125	$56,296

$56,500

Average Income

$78,750

Median Household Income

4.89%

Poverty Rate