Marlborough, Massachusetts Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Marlborough, Massachusetts is 41,398 as of the 2023 American Community Survey, making it the 35th-largest city in Massachusetts. The median household income is $95,047, the median home value is $485,400, and the median age is 37.2.
The population has grown 9.3% since 2010 (38,583 → 42,169).
41,398
Population
1984
People / sq mi
$95,047
Median Income
$485,400
Median Home Value
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Marlborough covers 20.9 sq mi of land at 1984 people per square mile.
About Marlborough, MA
In Marlborough, home values do the distinguishing — a median of $485,400. Marlborough is a city in Massachusetts with a population of 41,398. It ranks #35 among cities in Massachusetts by population.
Median household income is $95,047, above the US median of $78,538. The poverty rate is 6.6%, below the national 12.4%. The median home value is $485,400, with typical rent around $1,721.
40.6% of adults 25 and older hold a bachelor’s degree, above the national average of 35.0%. About 16.1% of workers primarily work from home, above the national 14.0%, and the average commute runs about 29 minutes each way.
High housing values reframe the income picture in Marlborough — even solid earnings stretch less against home prices and rents at this level.
Marlborough city Population History (2010-2024)
The city of Marlborough city had a population of 38,583 in 2010 and 42,169 in 2024, a 9.3% growth over 14 years. The peak was 42,169 in 2024. Average annual growth rate: 0.65%.
42,169
Population (2024)
38,583
Population (2010)
42,169
Peak (2024)
0.65%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 38,583 |
| 2011 | 38,940 |
| 2012 | 39,307 |
| 2013 | 39,468 |
| 2014 | 39,691 |
| 2015 | 39,797 |
| 2016 | 39,782 |
| 2017 | 39,791 |
| 2018 | 39,716 |
| 2019 | 39,597 |
| 2020 | 41,685 |
| 2021 | 41,244 |
| 2022 | 41,406 |
| 2023 | 41,784 |
| 2024 | 42,169 |
Race & Ethnicity
| White | 60.9% |
| Black or African American | 3.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Economy & Income
$95,047
Median Household Income
$46,876
Per Capita Income
6.6%
Poverty Rate
4.0%
Unemployment Rate
Housing
$485,400
Median Home Value
$1,721
Median Rent
56.2%
Owner-Occupied
Education
89.1%
High School+
40.6%
Bachelor's+
Commute
0.7%
Drive Alone
66.6%
Public Transit
16.1%
Work From Home
29.4 min
Avg Commute
Community Profile
16.4%
Foreign Born
59.7%
Non-English at Home
4.3%
Veterans
10.5%
With Disability
96.1%
Health Insurance
94.7%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 17.6% |
| Professional, Scientific & Management | 17.3% |
| Manufacturing | 14.4% |
| Construction | 9.1% |
| Education, Health Care & Social Services | 8.0% |
| Arts, Entertainment & Food Services | 5.4% |
| Information | 5.0% |
| Retail Trade | 3.4% |
| Transportation & Warehousing | 3.2% |
| Public Administration | 2.5% |
| Agriculture & Mining | 0.8% |
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Frequently Asked Questions
Marlborough, Massachusetts has a population of 41,398 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 35th-largest city in Massachusetts.
The median household income in Marlborough, Massachusetts is $95,047, with 6.6% of residents living below the federal poverty level.
The median home value in Marlborough, Massachusetts is $485,400, with median monthly rent at $1,721 and a homeownership rate of 56.2%.
The median age in Marlborough, Massachusetts is 37.2 years. The population is 48.5% male and 51.5% female.
The population has grown 9.3% since 2010 (38,583 → 42,169).
Where to stay in Marlborough
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.