Northbridge, Central Massachusetts, MA demographics:
population, income, and more

Total population
485
2.1% year-over-year change
Median household income
$141,250/yr
5.0% year-over-year change
Housing units
197
0.5% year-over-year change

Northbridge population

How many people live in Northbridge

Northbridge is home to 485 residents, according to the most recent Census data. Gender-wise, 50.9% of Northbridge locals are male, and 49.1% are female.

Total population
485
2.1% year-over-year change
Gender ratio
Male
50.9%
247
Female
49.1%
238
Value Percent YoY change
Male 247 50.9% 4.2%
Female 238 49.1% 0.4%
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 Northbridge is 47, with the population distributed as follows: about 14.6% are children under 15, then 9.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.3% of the population, while another 34.6% fall into the 45 to 64 bracket. Finally, around 17.5% are 65 or older.

Median age
46.7
Age breakdown
Under 15
14.6%
15 to 24
9.9%
25 to 44
23.3%
45 to 64
34.6%
Over 65
17.5%
Value Percent YoY change
Under 15 71 14.6% -10.1%
15 to 24 48 9.9% 14.3%
25 to 44 113 23.3% 11.9%
45 to 64 168 34.6% 3.7%
Over 65 85 17.5% -6.6%
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 Northbridge, 93% of the population are US-born citizens, while 6.4% have gained naturalized citizenship. At the same time, 0.6% of residents are non-citizens. As for race, 88.7% of locals are Caucasian, 1.6% are African American and 1.9% have Asian roots. There’s also a share of 7.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93%
Non-U.S.-born citizens
6.4%
Non-citizens
0.6%
Value Percent YoY change
U.S.-born citizens 451 93% 1.4%
Non-U.S.-born citizens 31 6.4% 34.8%
Non-citizens 3 0.6% -57.1%
Racial breakdown
White
88.7%
Black or African American
1.6%
American Indian and Alaska Native
0%
Asian
1.9%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.2%
Other
0.6%
Value Percent
White 430 88.7%
Black or African American 8 1.6%
Asian 9 1.9%
Two or more races 35 7.2%
Other 3 0.6%

Households in Northbridge

A peek inside Northbridge households

Northbridge has 190 households, with an average of 2 members in each. Of these, 77.4% are families, while the remaining 22.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
190
1.6% year-over-year change
Average people per household
2
Non-family households
43
Family households
147
Value Percent YoY change
Non-family households 43 22.6% -6.5%
Family households 147 77.4% 4.3%
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 Northbridge

The housing landscape of Northbridge

Northbridge's housing consists of 197 units, with 70.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 9.1% and offer a more compact, shared living style.

Housing units
197
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 140 70.7%
1 unit, attached 18 9.1%
2 units 12 6.1%
3 or 4 units 5 2.5%
5 to 9 units 10 5%
10 to 19 units 4 2%
20 to 49 units 9 4.6%
Homes built since 2020
2
100.0% year-over-year change

The age of buildings in Northbridge

In Northbridge, the median construction year is 1985. About 7.1% of homes were built before the 1940s, with another 4.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 14.7% of homes were added from 2000 to 2009, 9.1% between 2010 and 2019, and 1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 14 7.1% -12.5%
Built between 1940 and 1949 9 4.6% -18.2%
Built between 1950 and 1959 27 13.7% 35.0%
Built between 1960 and 1969 21 10.7% -19.2%
Built between 1970 and 1979 11 5.6% -35.3%
Built between 1980 and 1989 34 17.3% 6.2%
Built between 1990 and 1999 32 16.2% 14.3%
Built between 2000 and 2009 29 14.7% 0.0%
Built between 2010 and 2019 18 9.1% 12.5%
Built in 2020 or later 2 1% 100.0%
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.

Northbridge occupancy rates

Out of the 190 occupied housing units in Northbridge, 81.6% are owner-occupied, while 18.4% are lived in by tenants. Meanwhile, 3.6% of all homes on the local market sit vacant.

Occupied housing units
190
1.6% year-over-year change
Occupancy breakdown
Renter occupied
35
Owner occupied
155
Value Percent YoY
change
Renter occupied 35 18.4% -5.4%
Owner occupied 155 81.6% 3.3%
Unoccupied housing units
3.6%
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.

Northbridge housing costs

Housing costs in Northbridge come to a median of $2,099 per month, while tenants specifically pay a median gross rent of $1,226.

Median housing costs per month
$2,099/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 Northbridge
$1,226/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 Northbridge

Northbridge education at a glance

About 30.5% of the population in Northbridge went to high school, while 15.9% pursued college studies. Another 8.7% earned an associate degree and 27.4% hold a bachelor’s. Meanwhile, 15.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 6 1.5% 20.0%
High school diploma 119 30.5% -4.0%
College diploma 62 15.9% 0.0%
Associate degree 34 8.7% -2.9%
Bachelor's degree 107 27.4% 16.3%
Graduate degree 62 15.9% 12.7%
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 Northbridge

How much people earn in Northbridge

The average annual household income in Northbridge was $166,054 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.2% change from the previous year. At the same time, the median income stood at $141,250, reflecting a +5% shift over the same period.

Average household income in Northbridge
$166,054/year
5.2% year-over-year change
Median household income in Northbridge
$141,250/year
5.0% year-over-year change

Northbridge income by age

In Northbridge, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $151,458. Those with someone between 45 and 64 in charge, often well established professionally, earn $151,636 overall. Overall, 97.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $151,458 -7.1%
45 - 64 $151,636 1.4%
Over 65 $112,045 28.7%
Above poverty level
454
Below poverty level
13
Value Percent YoY
change
Above poverty level 454 97.2% 4.1%
Below poverty level 13 2.8% -18.8%

Employment in Northbridge

Workforce and job types in Northbridge

83.2% of the working population are employed in professional or administrative positions, while 16.8% are in hands-on or service-based jobs. Also, 5.9% run their own businesses, 68.5% are employed by private companies, and 13.2% work in the public sector.

Workforce demographics

White collar
227
Blue collar
46
Value Percent YoY change
White collar 227 83.2% 10.7%
Blue collar 46 16.8% -6.1%
Employer type
Self employees
5.9%
Private companies
68.5%
Governmental workers
13.2%
Not for profit companies
12.4%
Value Percent YoY change
Self employees 16 5.9% -5.9%
Private companies 187 68.5% 14.0%
Governmental workers 36 13.2% -16.3%
Not for profit companies 34 12.4% 17.2%

Transportation in Northbridge

How people get around in Northbridge

Means of transportation
Value Percent YoY change
Car 215 100% 8.6%
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 Northbridge by zipcode?

Zipcode Population Number of households Median income Average income
01534 6,230 2,446 $141,250 $166,054

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FAQs about Northbridge demographics 

What is the total population of Northbridge?

Northbridge has a total population of 485 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 +2.1% compared to a year ago.

What is the gender ratio in Northbridge?

The gender ratio in Northbridge is as follows:
  • 50.9% males (247 residents)
  • 49.1% females (238 residents)

What is the median age in Northbridge?

The median age in Northbridge is 46.7.

What is the age distribution of the population in Northbridge?

The age distribution in Northbridge is as follows:
  • Under 15: 14.6% (71 residents)
  • Ages 15-24: 9.9% (48 residents)
  • Ages 25-44: 23.3% (113 residents)
  • Ages 45-64: 34.6% (168 residents)
  • Over 65: 17.5% (85 residents)

What is the racial and ethnic makeup of Northbridge?

The racial and ethnic makeup of Northbridge is as follows:
  • White: 88.7% (430 residents)
  • Black or African American: 1.6% (8 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 1.9% (9 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 7.2% (35 residents)
  • Other: 0.6% (3 residents)

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

U.S.-born citizens represent 93% of the population in Northbridge.

How many housing units are there in Northbridge?

There are 197 housing units in Northbridge, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Northbridge has a total of 190 households, with an average of 2 people in each.

What is the median household income in Northbridge?

Northbridge has a median household income of $141,250, representing a +5.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Northbridge?

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

Job types:
  • White-collar workers: 83.2% (227 residents)
  • Blue-collar workers: 16.8% (46 residents)

Places of employment:
  • Self-employed: 5.9% (16 residents)
  • Private companies: 68.5% (187 residents)
  • Governmental workers: 13.2% (36 residents)
  • Not-for-profit companies: 12.4% (34 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