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CITY

Marlborough

Massachusetts · 42,772 residents (2025 est.) · 20.864 sq mi
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The short version

Marlborough is wealthier than most US places, with a median household income of $91,968. Population has held roughly steady since 2000. Median home value has roughly tripled since 2000, reaching $513,100. It sits in the top 10% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 37.5
US median: 38.9
More educated
40% hold a bachelor's degree
US average: 36%
Less affordable
home values up 55%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
41,647
+15%since 2000
from 36,255 in 2000
1990 – 2025
Population density
1,996 / sq mi
+15%since 2000
from 1,738 / sq mi in 2000
US average: 281
Median age
37.5
+4%since 2000
from 36.1 in 2000
US average: 38.9

PEP 2025 EST:42,772 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
31K34K37K40K43K1990201020202024Marlborough
202442K
1990201020202024
Section 02

Income & economy

Median household income
$91,968
−11%inflation adjusted, since 2000
from $56,879 in 2000
US average: $82,259
1990 – 2024
Per capita income
$46,241
+61%since 2000
from $28,723 in 2000
US average: $44,673
Households earning $100K+
59.0%
+11.8 ptssince 2009
from 47.2% in 2009
US average: 53.3%
Poverty rate
9.6%
+2.8 ptssince 2000
from 6.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.429
+1%since 2010
from 0.424 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade13.4%
US avg: 9.9%
Information11.3%
US avg: 10.8%
Wholesale trade10.4%
US avg: 6.9%
Other services5.3%
US avg: 6.7%
Public administration4.5%
US avg: 4.8%
Finance & insurance2.6%
US avg: 5.9%
Arts, entertainment, food2.3%
US avg: 1.9%
Professional, scientific, technical2%
US avg: 5.1%
Agriculture, forestry, fishing1.3%
US avg: 1.6%
Transportation & warehousing1.2%
US avg: 2.2%
Construction1%
US avg: 1.2%
Education & health services0.6%
US avg: 0.9%
Manufacturing0.3%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$513,100
+55%inflation adjusted, since 2000
from $181,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,871
+27%inflation adjusted, since 2000
from $811 in 2000
US average: $1,442
Owner-occupied
56.0%
−5.0 ptssince 2000
from 61.0% in 2000
44.0% rent
Vacancy rate
3.4%
−2.8 ptssince 2009
from 6.2% in 2009
US average: 10.0%
Owner cost-burdened
23.7%
−7.7 ptssince 2009
from 31.4% in 2009
US average: 22.9%
Renter cost-burdened
57.5%
+12.2 ptssince 2009
from 45.3% in 2009
US average: 47.4%
Afford Score
5.6
+75%since 2000
from 3.2 in 2000
1990 – 2024
Gentrification Score
32
RELATED:See current rent listings in Marlborough on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic84.9%(30,778)
Black2%(724)
Hispanic / Latino6.1%(2,196)
Asian3.7%(1,359)
Other0%
Diversity Score27.9%(10,123)
2024
White, non-Hispanic54.1%(22,515)
Black3.7%(1,529)
Hispanic / Latino18%(7,477)
Asian5.3%(2,214)
Other19%(7,912)
Diversity Score79.4%(33,070)
Diversity Score
79
+184%since 2000
from 28 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
40.5%
+4.9 ptssince 2000
from 35.6% in 2000
US average: 35.6%
High school or higher
87.9%
+0.5 ptssince 2000
from 87.3% in 2000
US average: 89.6%
Graduate degree
16.2%
+3.1 ptssince 2000
from 13.1% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
29.7 min
+56%since 2000
from 19.1 min in 2000
US average: 26.5
Drive alone to work
65.2%
−13.3 ptssince 2009
from 78.5% in 2009
US average: 68.9%
Carpooled to work
12.3%
−1.0 ptssince 2009
from 13.4% in 2009
US average: 8.5%
Public transit
0.4%
−1.1 ptssince 2009
from 1.5% in 2009
US average: 3.2%
Worked from home
16.2%
+13.4 ptssince 2009
from 2.9% in 2009
US average: 15.0%
Walked to work
1.9%
−1.4 ptssince 2009
from 3.3% in 2009
US average: 2.4%
Biked to work
0.0%
−0.1 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
8.1%
−2.6 ptssince 2009
from 10.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
5.5%
−0.7 ptssince 2011
from 6.1% in 2011
US average: 5.2%
Labor force participation
72.2%
−2.7 ptssince 2011
from 74.9% in 2011
US average: 63.5%
Self-employed
10.0%
+0.6 ptssince 2009
from 9.3% in 2009
US average: 13.1%
Management & professional
41.5%
−26.9 ptssince 2009
from 68.4% in 2009
US average: 42.5%
Section 08

People & community

Male
49.1%
+0.1 ptssince 2009
from 49.0% in 2009
Female
50.9%
−0.1 ptssince 2009
from 51.0% in 2009
Foreign born
30.8%
+12.7 ptssince 2009
from 18.1% in 2009
US average: 14.1%
Veterans
4.0%
−45.4 ptssince 2009
from 49.5% in 2009
US average: 6.2%
With a disability
10.4%
+0.8 ptssince 2012
from 9.6% in 2012
US average: 13.3%
Uninsured
4.3%
−91.4 ptssince 2013
from 95.7% in 2013
US average: 8.4%
Broadband at home
93.2%
+5.9 ptssince 2017
from 87.3% in 2017
US average: 91.0%
English only at home
57.8%
−8.3 ptssince 2016
from 66.1% in 2016
US average: 77.7%
Spanish at home
14.8%
−1.1 ptssince 2016
from 15.8% in 2016
US average: 13.6%
Drill deeper

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Head to head

Compare Marlborough to nearby cities

MARLBOROUGH VS
Hudson
Income$90,524−2%
Home value$473,300−8%
Population15,719−63%
SEE FULL COMPARISON →
MARLBOROUGH VS
Framingham
Income$107,419+17%
Home value$627,300+22%
Population73,021+71%
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MARLBOROUGH VS
Maynard
Income$124,067+35%
Home value$527,400+3%
Population10,712−75%
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MARLBOROUGH VS
Milford
Income$93,310+1%
Home value$464,700−9%
Population27,731−35%
SEE FULL COMPARISON →
Frequently asked

How many people live in Marlborough, Massachusetts?

Marlborough, Massachusetts has about 41,647 residents according to the 2024 American Community Survey.

What is the median household income in Marlborough, Massachusetts?

The typical household in Marlborough, Massachusetts earns about $91,968 a year. Half of households make more than that, and half make less.

Is Marlborough, Massachusetts expensive?

In Marlborough, Massachusetts, the median home is worth about $513,100, and the typical rent is about $1,871 a month.

How educated are people in Marlborough, Massachusetts?

About 40.5% of adults age 25 and over in Marlborough, Massachusetts hold a bachelor's degree or higher.

What is the poverty rate in Marlborough, Massachusetts?

About 9.6% of people in Marlborough, Massachusetts live below the federal poverty line.

Has Marlborough, Massachusetts grown since 1990?

Yes, Marlborough, Massachusetts has grown since 1990. The population has added about 9,834 residents, a change of about 31 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →