South Brunswick Township, NJ demographics:
population, income, and more

Total population
55,216
0.5% year-over-year change
Median household income
$127,140/yr
6.2% year-over-year change
Housing units
20,222
-1.7% year-over-year change

South Brunswick population

How many people live in South Brunswick

South Brunswick is home to 55,216 residents, according to the most recent Census data. Gender-wise, 48.7% of South Brunswick locals are male, and 51.3% are female.

Total population
55,216
0.5% year-over-year change
Gender ratio
Male
48.7%
26,899
Female
51.3%
28,317
Value Percent YoY change
Male 26,899 48.7% -0.8%
Female 28,317 51.3% 1.7%
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 South Brunswick is 44, with the population distributed as follows: about 17.7% are children under 15, then 12.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.1% of the population, while another 29.5% fall into the 45 to 64 bracket. Finally, around 16.5% are 65 or older.

Median age
44
Age breakdown
Under 15
17.7%
15 to 24
12.3%
25 to 44
24.1%
45 to 64
29.5%
Over 65
16.5%
Value Percent YoY change
Under 15 9,757 17.7% 2.9%
15 to 24 6,775 12.3% 5.7%
25 to 44 13,294 24.1% 0.2%
45 to 64 16,298 29.5% -2.6%
Over 65 9,091 16.5% 0.5%
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 South Brunswick, 59% of the population are US-born citizens, while 25.4% have gained naturalized citizenship. At the same time, 15.7% of residents are non-citizens. As for race, 35.3% of locals are Caucasian, 7.7% are African American and 43.3% have Asian roots. Another 0.2% are Indigenous American, 0.1% are Pacific Islanders, while 6.3% identify as another race. There’s also a share of 7.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
59%
Non-U.S.-born citizens
25.4%
Non-citizens
15.7%
Value Percent YoY change
U.S.-born citizens 32,551 59% 0.4%
Non-U.S.-born citizens 14,013 25.4% -2.8%
Non-citizens 8,652 15.7% 6.6%
Racial breakdown
White
35.3%
Black or African American
7.7%
American Indian and Alaska Native
0.2%
Asian
43.3%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
7.2%
Other
6.3%
Value Percent
White 19,505 35.3%
Black or African American 4,262 7.7%
American Indian and Alaska Native 106 0.2%
Asian 23,896 43.3%
Native Hawaiian and other Pacific Islander 42 0.1%
Two or more races 3,948 7.2%
Other 3,456 6.3%

Households in South Brunswick

A peek inside South Brunswick households

South Brunswick has 19,870 households, with an average of 3 members in each. Of these, 75.2% are families, while the remaining 24.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
19,870
-1.3% year-over-year change
Average people per household
3
Non-family households
4,917
Family households
14,953
Value Percent YoY change
Non-family households 4,917 24.8% 1.1%
Family households 14,953 75.2% -2.1%
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 South Brunswick

The housing landscape of South Brunswick

South Brunswick's housing consists of 20,222 units, with 51.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 20.2% 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 2.3% of the housing landscape.

Housing units
20,222
-1.7% year-over-year change
Housing types
Value Percent
1 unit, detached 10,438 51.6%
1 unit, attached 4,088 20.2%
2 units 624 3.1%
3 or 4 units 431 2.1%
5 to 9 units 1,151 5.7%
10 to 19 units 1,744 8.6%
20 to 49 units 786 3.9%
50 or more units 491 2.4%
Mobile home 469 2.3%
Homes built since 2020
128
50.6% year-over-year change

The age of buildings in South Brunswick

In South Brunswick, the median construction year is 1985. About 2.5% of homes were built before the 1940s, with another 1.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 11.1% of homes were added from 2000 to 2009, 8.9% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 502 2.5% -9.4%
Built between 1940 and 1949 218 1.1% -17.1%
Built between 1950 and 1959 1,437 7.1% 6.4%
Built between 1960 and 1969 2,047 10.1% -6.5%
Built between 1970 and 1979 2,543 12.6% -5.1%
Built between 1980 and 1989 5,012 24.8% -2.0%
Built between 1990 and 1999 4,302 21.3% -5.2%
Built between 2000 and 2009 2,241 11.1% 6.0%
Built between 2010 and 2019 1,792 8.9% 6.5%
Built in 2020 or later 128 0.6% 50.6%
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.

South Brunswick occupancy rates

Out of the 19,870 occupied housing units in South Brunswick, 74.1% are owner-occupied, while 25.9% are lived in by tenants. Meanwhile, 1.7% of all homes on the local market sit vacant.

Occupied housing units
19,870
-1.3% year-over-year change
Occupancy breakdown
Renter occupied
5,138
Owner occupied
14,732
Value Percent YoY
change
Renter occupied 5,138 25.9% 0.1%
Owner occupied 14,732 74.1% -1.8%
Unoccupied housing units
1.7%
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.

South Brunswick housing costs

Housing costs in South Brunswick come to a median of $2,183 per month, while tenants specifically pay a median gross rent of $1,992.

Median housing costs per month
$2,183/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 South Brunswick
$1,992/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 South Brunswick

South Brunswick education at a glance

About 22% of the population in South Brunswick went to high school, while 12.3% pursued college studies. Another 5.2% earned an associate degree and 31.6% hold a bachelor’s. Meanwhile, 26.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1,132 2.6% 5.8%
High school diploma 9,453 22% 1.1%
College diploma 5,287 12.3% -9.8%
Associate degree 2,242 5.2% 3.1%
Bachelor's degree 13,606 31.6% -2.4%
Graduate degree 11,270 26.2% 5.5%
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 South Brunswick

How much people earn in South Brunswick

The average annual household income in South Brunswick was $171,226 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.5% change from the previous year. At the same time, the median income stood at $127,140, reflecting a +6.2% shift over the same period.

Average household income in South Brunswick
$171,226/year
4.5% year-over-year change
Median household income in South Brunswick
$127,140/year
6.2% year-over-year change

South Brunswick income by age

In South Brunswick, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $142,996. Those with someone between 45 and 64 in charge, often well established professionally, earn $178,288 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $50,723, while those led by someone over 65, many of whom may be retired, have about $75,590 in earnings. Overall, 95.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $50,723 -48.6%
25 - 44 $142,996 4.5%
45 - 64 $178,288 5.5%
Over 65 $75,590 -1.5%
Above poverty level
52,018
Below poverty level
2,644
Value Percent YoY
change
Above poverty level 52,018 95.2% 0.3%
Below poverty level 2,644 4.8% 7.2%

Employment in South Brunswick

Workforce and job types in South Brunswick

87.7% of the working population are employed in professional or administrative positions, while 12.3% are in hands-on or service-based jobs. Also, 8.8% run their own businesses, 70.7% are employed by private companies, and 13.2% work in the public sector.

Workforce demographics

White collar
25,772
Blue collar
3,629
Value Percent YoY change
White collar 25,772 87.7% 2.5%
Blue collar 3,629 12.3% -5.5%
Employer type
Self employees
8.8%
Private companies
70.7%
Governmental workers
13.2%
Not for profit companies
7.3%
Value Percent YoY change
Self employees 2,591 8.8% 9.2%
Private companies 20,792 70.7% 1.6%
Governmental workers 3,868 13.2% -4.2%
Not for profit companies 2,149 7.3% 2.7%

Transportation in South Brunswick

How people get around in South Brunswick

In South Brunswick, the average commute time is 43 minutes. Commuting methods vary: 92.2% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
43 min
377.8% year-over-year change
Means of transportation
Value Percent YoY change
Car 19,988 92.2% -1.3%
Taxicab 188 0.9% 121.2%
Bus or trolleybus 471 2.2% -24.0%
Railroad 808 3.7% 12.5%
Motorcycle 2 0% N/A
Bicycle 45 0.2% -6.2%
Walk 174 0.8% 0.0%
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 South Brunswick by zipcode?

Zipcode Population Number of households Median income Average income
08852 18,062 6,694 $133,209 $172,196
08902 43,932 15,398 $121,071 $141,707
08512 12,928 5,102 $118,587 $174,645
08810 7,952 2,641 $151,902 $182,748
08824 13,366 4,489 $174,776 $213,049
08831 55,658 24,083 $109,042 $153,779

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FAQs about South Brunswick demographics 

What is the total population of South Brunswick?

South Brunswick has a total population of 55,216 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 +0.5% compared to a year ago.

What is the gender ratio in South Brunswick?

The gender ratio in South Brunswick is as follows:
  • 48.7% males (26,899 residents)
  • 51.3% females (28,317 residents)

What is the median age in South Brunswick?

The median age in South Brunswick is 44.

What is the age distribution of the population in South Brunswick?

The age distribution in South Brunswick is as follows:
  • Under 15: 17.7% (9,757 residents)
  • Ages 15-24: 12.3% (6,775 residents)
  • Ages 25-44: 24.1% (13,294 residents)
  • Ages 45-64: 29.5% (16,298 residents)
  • Over 65: 16.5% (9,091 residents)

What is the racial and ethnic makeup of South Brunswick?

The racial and ethnic makeup of South Brunswick is as follows:
  • White: 35.3% (19,505 residents)
  • Black or African American: 7.7% (4,262 residents)
  • American Indian and Alaska Native: 0.2% (106 residents)
  • Asian: 43.3% (23,896 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (42 residents)
  • Two or More Races: 7.2% (3,948 residents)
  • Other: 6.3% (3,456 residents)

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

U.S.-born citizens represent 59% of the population in South Brunswick.

How many housing units are there in South Brunswick?

There are 20,222 housing units in South Brunswick, reflecting a -1.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

South Brunswick has a total of 19,870 households, with an average of 3 people in each.

What is the median household income in South Brunswick?

South Brunswick has a median household income of $127,140, representing a +6.2% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for South Brunswick?

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

Job types:
  • White-collar workers: 87.7% (25,772 residents)
  • Blue-collar workers: 12.3% (3,629 residents)

Places of employment:
  • Self-employed: 8.8% (2,591 residents)
  • Private companies: 70.7% (20,792 residents)
  • Governmental workers: 13.2% (3,868 residents)
  • Not-for-profit companies: 7.3% (2,149 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