Andover Township, NJ demographics:
population, income, and more

Total population
4,514
-1.0% year-over-year change
Median household income
$128,317/yr
10.6% year-over-year change
Housing units
1,899
-0.6% year-over-year change

Andover population

How many people live in Andover

Andover is home to 4,514 residents, according to the most recent Census data. Gender-wise, 50.2% of Andover locals are male, and 49.8% are female.

Total population
4,514
-1.0% year-over-year change
Gender ratio
Male
50.2%
2,266
Female
49.8%
2,249
Value Percent YoY change
Male 2,266 50.2% -0.0%
Female 2,249 49.8% -1.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Andover is 47, with the population distributed as follows: about 14.4% are children under 15, then 11.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.3% of the population, while another 30.2% fall into the 45 to 64 bracket. Finally, around 22.1% are 65 or older.

Median age
47
Age breakdown
Under 15
14.4%
15 to 24
11.1%
25 to 44
22.3%
45 to 64
30.2%
Over 65
22.1%
Value Percent YoY change
Under 15 648 14.4% -2.3%
15 to 24 500 11.1% -0.2%
25 to 44 1,005 22.3% 0.3%
45 to 64 1,363 30.2% -1.7%
Over 65 998 22.1% -0.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Andover, 91.9% of the population are US-born citizens, while 6.1% have gained naturalized citizenship. At the same time, 2% of residents are non-citizens. As for race, 85.3% of locals are Caucasian, 2.3% are African American and 1.9% have Asian roots. There’s also a share of 8.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
91.9%
Non-U.S.-born citizens
6.1%
Non-citizens
2%
Value Percent YoY change
U.S.-born citizens 4,150 91.9% -0.9%
Non-U.S.-born citizens 277 6.1% -5.1%
Non-citizens 88 2% 10.0%
Racial breakdown
White
85.3%
Black or African American
2.3%
American Indian and Alaska Native
0.1%
Asian
1.9%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.4%
Other
2.1%
Value Percent
White 3,850 85.3%
Black or African American 103 2.3%
American Indian and Alaska Native 5 0.1%
Asian 84 1.9%
Two or more races 377 8.4%
Other 95 2.1%

Households in Andover

A peek inside Andover households

Andover has 1,742 households, with an average of 2 members in each. Of these, 72.3% are families, while the remaining 27.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,742
-0.4% year-over-year change
Average people per household
2
Non-family households
482
Family households
1,260
Value Percent YoY change
Non-family households 482 27.7% 0.0%
Family households 1,260 72.3% -0.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Andover

The housing landscape of Andover

Andover's housing consists of 1,899 units, with 81.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.6% of the housing landscape.

Housing units
1,899
-0.6% year-over-year change
Housing types
Value Percent
1 unit, detached 1,551 81.7%
1 unit, attached 100 5.3%
2 units 29 1.5%
3 or 4 units 34 1.8%
5 to 9 units 34 1.8%
10 to 19 units 28 1.5%
20 to 49 units 13 0.7%
50 or more units 79 4.2%
Mobile home 31 1.6%
Homes built since 2020
10
900.0% year-over-year change

The age of buildings in Andover

In Andover, the median construction year is 1972. About 17.7% of homes were built before the 1940s, with another 4.3% going up by 1949. Most development happened in the second half of the 20th century. Then, 8% of homes were added from 2000 to 2009, 2.3% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 337 17.7% -3.2%
Built between 1940 and 1949 82 4.3% -8.9%
Built between 1950 and 1959 212 11.2% -11.3%
Built between 1960 and 1969 246 13% 3.8%
Built between 1970 and 1979 319 16.8% 6.0%
Built between 1980 and 1989 308 16.2% 8.1%
Built between 1990 and 1999 191 10% -8.2%
Built between 2000 and 2009 151 8% -5.0%
Built between 2010 and 2019 44 2.3% 2.3%
Built in 2020 or later 10 0.5% 900.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Andover occupancy rates

Out of the 1,742 occupied housing units in Andover, 83.7% are owner-occupied, while 16.3% are lived in by tenants. Meanwhile, 8.3% of all homes on the local market sit vacant.

Occupied housing units
1,742
-0.4% year-over-year change
Occupancy breakdown
Renter occupied
284
Owner occupied
1,458
Value Percent YoY
change
Renter occupied 284 16.3% 1.1%
Owner occupied 1,458 83.7% -0.8%
Unoccupied housing units
8.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Andover housing costs

Housing costs in Andover come to a median of $2,095 per month, while tenants specifically pay a median gross rent of $1,528.

Median housing costs per month
$2,095/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Andover
$1,528/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Andover

Andover education at a glance

About 32% of the population in Andover went to high school, while 17.9% pursued college studies. Another 9% earned an associate degree and 24.8% hold a bachelor’s. Meanwhile, 14.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 77 2.1% 2.7%
High school diploma 1,178 32% 0.7%
College diploma 661 17.9% 3.0%
Associate degree 332 9% -1.8%
Bachelor's degree 916 24.8% -4.7%
Graduate degree 522 14.2% 1.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Andover

How much people earn in Andover

The average annual household income in Andover was $149,323 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.6% change from the previous year. At the same time, the median income stood at $128,317, reflecting a +10.6% shift over the same period.

Average household income in Andover
$149,323/year
2.6% year-over-year change
Median household income in Andover
$128,317/year
10.6% year-over-year change

Andover income by age

In Andover, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $138,789. Those with someone between 45 and 64 in charge, often well established professionally, earn $152,813 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $62,348, while those led by someone over 65, many of whom may be retired, have about $82,215 in earnings. Overall, 93% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $62,348 -13.8%
25 - 44 $138,789 1.4%
45 - 64 $152,813 -1.5%
Over 65 $82,215 4.8%
Above poverty level
4,046
Below poverty level
306
Value Percent YoY
change
Above poverty level 4,046 93% -0.4%
Below poverty level 306 7% -3.8%

Average renter income in Andover

To get a better sense of what renters earn on average in Andover, their median household income was $51,250 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 35.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$51,250
Rent-to-income ratio
35.8%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Andover

Workforce and job types in Andover

80.6% of the working population are employed in professional or administrative positions, while 19.4% are in hands-on or service-based jobs. Also, 9.7% run their own businesses, 65.4% are employed by private companies, and 18.1% work in the public sector.

Workforce demographics

White collar
1,858
Blue collar
448
Value Percent YoY change
White collar 1,858 80.6% 0.4%
Blue collar 448 19.4% 3.2%
Employer type
Self employees
9.7%
Private companies
65.4%
Governmental workers
18.1%
Not for profit companies
6.8%
Value Percent YoY change
Self employees 223 9.7% 8.8%
Private companies 1,507 65.4% 0.2%
Governmental workers 418 18.1% 0.2%
Not for profit companies 158 6.8% -0.6%

Transportation in Andover

How people get around in Andover

Commuting methods vary: 98.3% of residents travel by personal vehicle and 0.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,892 98.3% -0.3%
Bus or trolleybus 6 0.3% -50.0%
Railroad 8 0.4% 33.3%
Bicycle 2 0.1% 0.0%
Walk 17 0.9% -34.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Andover by zipcode?

Zipcode Population Number of households Median income Average income
07821 9,662 3,553 $141,860 $168,816
07848 4,257 1,573 $128,317 $159,712
07860 26,047 10,324 $110,045 $138,174

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FAQs about Andover demographics 

What is the total population of Andover?

Andover has a total population of 4,514 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -1.0% compared to a year ago.

What is the gender ratio in Andover?

The gender ratio in Andover is as follows:
  • 50.2% males (2,266 residents)
  • 49.8% females (2,249 residents)

What is the median age in Andover?

The median age in Andover is 47.

What is the age distribution of the population in Andover?

The age distribution in Andover is as follows:
  • Under 15: 14.4% (648 residents)
  • Ages 15-24: 11.1% (500 residents)
  • Ages 25-44: 22.3% (1,005 residents)
  • Ages 45-64: 30.2% (1,363 residents)
  • Over 65: 22.1% (998 residents)

What is the racial and ethnic makeup of Andover?

The racial and ethnic makeup of Andover is as follows:
  • White: 85.3% (3,850 residents)
  • Black or African American: 2.3% (103 residents)
  • American Indian and Alaska Native: 0.1% (5 residents)
  • Asian: 1.9% (84 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 8.4% (377 residents)
  • Other: 2.1% (95 residents)

What percentage of the population in Andover are U.S.-born citizens?

U.S.-born citizens represent 91.9% of the population in Andover.

How many housing units are there in Andover?

There are 1,899 housing units in Andover, reflecting a -0.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Andover and what is the average household size?

Andover has a total of 1,742 households, with an average of 2 people in each.

What is the median household income in Andover?

Andover has a median household income of $128,317, representing a +10.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Andover?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 80.6% (1,858 residents)
  • Blue-collar workers: 19.4% (448 residents)

Places of employment:
  • Self-employed: 9.7% (223 residents)
  • Private companies: 65.4% (1,507 residents)
  • Governmental workers: 18.1% (418 residents)
  • Not-for-profit companies: 6.8% (158 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025