Demographics of Northbridge town, Massachusetts

Northbridge town, Massachusetts had 16,799 people on July 1, 2025, by the Census Bureau’s estimate: +488 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Northbridge town, in four figures

16,799
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 16,458 ±48.; +3.0%
Change since July 2020: +488 people.; 43.8 ±2.6
Median age: ACS 2020–⁠2024.; $111,319 ±$18,543
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a town, so the change is the difference between one July estimate and the next.

Northbridge town, Massachusetts's population grew 3.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Northbridge town, Massachusetts's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Northbridge town, Massachusetts's population grew 3.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Northbridge town, Massachusetts's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	16,311	100.0	100.0
2021	16,315	100.0	100.2
2022	16,434	100.8	100.7
2023	16,576	101.6	101.6
2024	16,727	102.6	102.5
2025	16,799	103.0	103.1

Population of Northbridge town, Massachusetts on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	16,311	—
2021	16,315	+4
2022	16,434	+119
2023	16,576	+142
2024	16,727	+151
2025	16,799	+72

Age, 2020–2024

The median age is 43.8 ±2.6: for men 41.9 ±4.6 and for women 44.7 ±3.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Northbridge town by age, ACS 2020–2024
Age	People	Share	Massachusetts	United States
Under 5	613 ±204	3.7% ±1.2	5.0% ±<0.1	5.6% ±<0.1
5 to 17	2,852 ±431	17.3% ±2.6	14.4% ±0.1	16.3% ±<0.1
18 to 24	1,287 ±342	7.8% ±2.1	9.8% ±0.1	9.1% ±<0.1
25 to 44	3,803 ±504	23.1% ±3.1	27.1% ±0.1	26.9% ±<0.1
45 to 64	5,207 ±601	31.6% ±3.6	25.9% ±0.1	24.8% ±<0.1
65 and over	2,696 ±348	16.4% ±2.1	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $111,319 ±$18,543, and income per person $55,751 ±$4,911, in 2024 dollars. The median is $103,960 ±$527 in Massachusetts and $80,734 ±$166 in the United States.

Households by income

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Households in Northbridge town by income, ACS 2020–2024
Household income	Households	Share	Massachusetts	United States
Under $25,000	672 ±234	10.0% ±3.5	13.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	949 ±328	14.1% ±4.8	12.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	629 ±217	9.4% ±3.2	12.0% ±0.2	15.5% ±<0.1
$75,000 to $99,999	920 ±290	13.7% ±4.3	10.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	978 ±234	14.6% ±3.4	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	879 ±272	13.1% ±4.0	11.9% ±0.1	9.6% ±<0.1
$200,000 or more	1,683 ±297	25.1% ±4.3	22.3% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Northbridge town by age, ACS 2020–2024
Age	Below poverty	Rate	Massachusetts	United States
All ages	1,282 ±551	7.9% ±3.4	10.0% ±0.1	12.5% ±0.1
Under 18	220 to 674	13.1% ±6.4	11.7% ±0.3	16.1% ±0.1
18 to 59	665 ±316	7.4% ±3.5	9.3% ±0.2	11.6% ±0.1
60 and over	170 ±78	4.5% ±2.0	10.4% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Northbridge town, ACS 2020–2024
Measure	Northbridge town	Massachusetts	United States
Housing units	7,173 ±315	3,030,406 ±453	143,775,355 ±10,234
Occupied	93.5% ±1.7	91.9% ±0.2	89.9% ±0.1
Vacant	6.5% ±2.7	8.1% ±0.2	10.1% ±0.1
Owner occupied	70.5% ±4.5	62.5% ±0.3	65.2% ±0.3
Renter occupied	29.5% ±5.5	37.5% ±0.2	34.8% ±0.1
Median home value	$448,600 ±$15,260	$562,100 ±$2,169	$332,700 ±$236
Median gross rent	$1,207 ±$102	$1,762 ±$9	$1,413 ±$2
Median year built	1973 ±7	1964 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Northbridge town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Massachusetts	United States
Hispanic or Latino	1,546 ±608	9.4% ±3.7	13.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	13,918 ±634	84.6% ±3.8	66.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	18 to 342	0.1% to 2.1%	6.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	69 to 375	0.4% to 2.3%	7.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 21	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 21	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 273	0% to 1.7%	1.2% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	151 to 779	0.9% to 4.7%	5.1% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Northbridge town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Massachusetts	United States
Born in the state	12,263 ±635	74.5% ±3.9	58.7% ±0.2	57.3% ±<0.1
Born in another state	2,746 ±536	16.7% ±3.3	20.3% ±0.2	26.9% ±<0.1
Born a citizen outside the states	214 to 740	1.3% to 4.5%	2.9% ±0.1	1.7% ±<0.1
Born abroad	972 ±351	5.9% ±2.1	18.0% ±0.1	14.1% ±<0.1
Naturalized citizens	713 ±280	4.3% ±1.7	9.7% ±0.1	7.4% ±<0.1
Not citizens	81 to 437	0.5% to 2.7%	8.3% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Northbridge town among the places and towns of Massachusetts

124th of 291 places and towns of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Massachusetts page.

Places of Massachusetts near Northbridge town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Amesbury city	17,403 ±31
Swansea town	17,359 ±20
Abington CDP	17,053 ±25
Auburn town	16,970 ±23
Westport town	16,484 ±23
Northbridge town	16,458 ±48
East Longmeadow town	16,425 ±22
Westwood town	16,318 ±45
Duxbury town	16,185 ±44
Easthampton city	16,086 ±43
Fairhaven town	15,903 ±42

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026