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

Total population
46,120
1.9% year-over-year change
Median household income
$109,042/yr
0.3% year-over-year change
Housing units
20,555
-0.4% year-over-year change

Monroe population

How many people live in Monroe

Monroe is home to 46,120 residents, according to the most recent Census data. Gender-wise, 48.4% of Monroe locals are male, and 51.6% are female.

Total population
46,120
1.9% year-over-year change
Gender ratio
Male
48.4%
22,309
Female
51.6%
23,811
Value Percent YoY change
Male 22,309 48.4% 2.8%
Female 23,811 51.6% 1.2%
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 Monroe is 55, with the population distributed as follows: about 14.7% are children under 15, then 7.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 16.2% of the population, while another 25.7% fall into the 45 to 64 bracket. Finally, around 36.3% are 65 or older.

Median age
54.8
Age breakdown
Under 15
14.7%
15 to 24
7.1%
25 to 44
16.2%
45 to 64
25.7%
Over 65
36.3%
Value Percent YoY change
Under 15 6,793 14.7% 0.6%
15 to 24 3,258 7.1% 11.2%
25 to 44 7,473 16.2% 0.2%
45 to 64 11,840 25.7% -0.5%
Over 65 16,756 36.3% 3.4%
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 Monroe, 71.8% of the population are US-born citizens, while 21% have gained naturalized citizenship. At the same time, 7.2% of residents are non-citizens. As for race, 63.8% of locals are Caucasian, 2.4% are African American and 25.3% have Asian roots. There’s also a share of 4.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
71.8%
Non-U.S.-born citizens
21%
Non-citizens
7.2%
Value Percent YoY change
U.S.-born citizens 33,113 71.8% -1.3%
Non-U.S.-born citizens 9,702 21% 9.8%
Non-citizens 3,304 7.2% 15.1%
Racial breakdown
White
63.8%
Black or African American
2.4%
American Indian and Alaska Native
0.2%
Asian
25.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.6%
Other
3.6%
Value Percent
White 29,427 63.8%
Black or African American 1,128 2.4%
American Indian and Alaska Native 70 0.2%
Asian 11,687 25.3%
Two or more races 2,124 4.6%
Other 1,685 3.6%

Households in Monroe

A peek inside Monroe households

Monroe has 19,956 households, with an average of 2 members in each. Of these, 66.4% are families, while the remaining 33.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
19,956
0.9% year-over-year change
Average people per household
2
Non-family households
6,698
Family households
13,258
Value Percent YoY change
Non-family households 6,698 33.6% 1.7%
Family households 13,258 66.4% 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 Monroe

The housing landscape of Monroe

Monroe's housing consists of 20,555 units, with 61.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 26.1% and offer a more compact, shared living style.

Housing units
20,555
-0.4% year-over-year change
Housing types
Value Percent
1 unit, detached 12,581 61.2%
1 unit, attached 5,371 26.1%
2 units 713 3.5%
3 or 4 units 380 1.8%
5 to 9 units 351 1.7%
10 to 19 units 257 1.2%
20 to 49 units 277 1.4%
50 or more units 619 3%
Mobile home 7 0%
Homes built since 2020
307
130.8% year-over-year change

The age of buildings in Monroe

In Monroe, the median construction year is 1994. About 3.2% of homes were built before the 1940s, with another 1.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 21.3% of homes were added from 2000 to 2009, 17.7% between 2010 and 2019, and 1.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 653 3.2% -9.3%
Built between 1940 and 1949 283 1.4% -22.9%
Built between 1950 and 1959 726 3.5% -9.2%
Built between 1960 and 1969 1,622 7.9% -0.6%
Built between 1970 and 1979 2,874 14% -3.7%
Built between 1980 and 1989 3,048 14.8% 0.1%
Built between 1990 and 1999 3,033 14.8% -1.6%
Built between 2000 and 2009 4,370 21.3% -1.7%
Built between 2010 and 2019 3,639 17.7% 6.3%
Built in 2020 or later 307 1.5% 130.8%
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.

Monroe occupancy rates

Out of the 19,956 occupied housing units in Monroe, 89.6% are owner-occupied, while 10.4% are lived in by tenants. Meanwhile, 2.9% of all homes on the local market sit vacant.

Occupied housing units
19,956
0.9% year-over-year change
Occupancy breakdown
Renter occupied
2,083
Owner occupied
17,873
Value Percent YoY
change
Renter occupied 2,083 10.4% 1.5%
Owner occupied 17,873 89.6% 0.9%
Unoccupied housing units
2.9%
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.

Monroe housing costs

Housing costs in Monroe come to a median of $1,925 per month, while tenants specifically pay a median gross rent of $2,014.

Median housing costs per month
$1,925/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 Monroe
$2,014/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 Monroe

Monroe education at a glance

About 25.5% of the population in Monroe went to high school, while 15.1% pursued college studies. Another 6.8% earned an associate degree and 29.4% hold a bachelor’s. Meanwhile, 21.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 781 2% 9.7%
High school diploma 9,678 25.5% -2.8%
College diploma 5,726 15.1% 1.1%
Associate degree 2,588 6.8% 16.0%
Bachelor's degree 11,182 29.4% -0.8%
Graduate degree 8,058 21.2% 7.9%
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 Monroe

How much people earn in Monroe

The average annual household income in Monroe was $153,382 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.9% change from the previous year. At the same time, the median income stood at $109,042, reflecting a +0.3% shift over the same period.

Average household income in Monroe
$153,382/year
1.9% year-over-year change
Median household income in Monroe
$109,042/year
0.3% year-over-year change

Monroe income by age

In Monroe, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $179,058. Those with someone between 45 and 64 in charge, often well established professionally, earn $196,748 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $32,404, while those led by someone over 65, many of whom may be retired, have about $73,463 in earnings. Overall, 96.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $32,404 N/A
25 - 44 $179,058 0.5%
45 - 64 $196,748 6.8%
Over 65 $73,463 4.2%
Above poverty level
43,873
Below poverty level
1,660
Value Percent YoY
change
Above poverty level 43,873 96.4% 2.5%
Below poverty level 1,660 3.6% -8.7%

Employment in Monroe

Workforce and job types in Monroe

88.2% of the working population are employed in professional or administrative positions, while 11.8% are in hands-on or service-based jobs. Also, 6.1% run their own businesses, 76.2% are employed by private companies, and 13.5% work in the public sector.

Workforce demographics

White collar
17,549
Blue collar
2,352
Value Percent YoY change
White collar 17,549 88.2% 2.8%
Blue collar 2,352 11.8% 5.3%
Employer type
Self employees
6.1%
Private companies
76.2%
Governmental workers
13.5%
Not for profit companies
4.2%
Value Percent YoY change
Self employees 1,220 6.1% 2.4%
Private companies 15,168 76.2% 4.0%
Governmental workers 2,678 13.5% 0.1%
Not for profit companies 835 4.2% -1.6%

Transportation in Monroe

How people get around in Monroe

In Monroe, the average commute time is 31 minutes. Commuting methods vary: 90.6% of residents travel by personal vehicle and 1.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
31 min
-6.1% year-over-year change
Means of transportation
Value Percent YoY change
Car 12,634 90.6% 2.4%
Taxicab 159 1.1% -6.5%
Bus or trolleybus 655 4.7% -10.0%
Railroad 291 2.1% -20.7%
Bicycle 39 0.3% 11.4%
Walk 173 1.2% -1.7%
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 Monroe by zipcode?

Zipcode Population Number of households Median income Average income
08831 55,658 24,083 $109,042 $153,779

Explore more communities

FAQs about Monroe demographics 

What is the total population of Monroe?

Monroe has a total population of 46,120 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 +1.9% compared to a year ago.

What is the gender ratio in Monroe?

The gender ratio in Monroe is as follows:
  • 48.4% males (22,309 residents)
  • 51.6% females (23,811 residents)

What is the median age in Monroe?

The median age in Monroe is 54.8.

What is the age distribution of the population in Monroe?

The age distribution in Monroe is as follows:
  • Under 15: 14.7% (6,793 residents)
  • Ages 15-24: 7.1% (3,258 residents)
  • Ages 25-44: 16.2% (7,473 residents)
  • Ages 45-64: 25.7% (11,840 residents)
  • Over 65: 36.3% (16,756 residents)

What is the racial and ethnic makeup of Monroe?

The racial and ethnic makeup of Monroe is as follows:
  • White: 63.8% (29,427 residents)
  • Black or African American: 2.4% (1,128 residents)
  • American Indian and Alaska Native: 0.2% (70 residents)
  • Asian: 25.3% (11,687 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4.6% (2,124 residents)
  • Other: 3.6% (1,685 residents)

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

U.S.-born citizens represent 71.8% of the population in Monroe.

How many housing units are there in Monroe?

There are 20,555 housing units in Monroe, reflecting a -0.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Monroe has a total of 19,956 households, with an average of 2 people in each.

What is the median household income in Monroe?

Monroe has a median household income of $109,042, representing a +0.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Monroe?

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

Job types:
  • White-collar workers: 88.2% (17,549 residents)
  • Blue-collar workers: 11.8% (2,352 residents)

Places of employment:
  • Self-employed: 6.1% (1,220 residents)
  • Private companies: 76.2% (15,168 residents)
  • Governmental workers: 13.5% (2,678 residents)
  • Not-for-profit companies: 4.2% (835 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