Andover Flag

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.

610
Total Population
453
Density (mi²)
4 0.66%
Growth

Andover Population

Andover Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Andover includes 81.28% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White58281.28%
Two or more races13418.72%

Andover Marital Status

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

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

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)