Marlborough is a city located in Middlesex County Massachusetts. Marlborough has a 2024 population of 40,288. Marlborough is currently declining at a rate of -0.84% annually and its population has decreased by -3.28% since the most recent census, which recorded a population of 41,654 in 2020.
The average household income in Marlborough is $113,956 with a poverty rate of 8.81%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Marlborough is 38.1 years, 38.2 years for males, and 38 years for females.
According to the most recent ACS, the racial composition of Marlborough was:
White
Other race
Two or more races
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 16,524 | 2.47 | 57.3 | 42.7 |
| Married | 7,822 | 3.3 | 71.4 | 28.6 |
| Non Family | 6,311 | 1.24 | 44.9 | 55.1 |
| Female | 1,795 | 2.86 | 44.6 | 55.4 |
| Male | 596 | 3.31 | 42.4 | 57.6 |
3.16
Average Family Size
2.47
Average Household Size
57.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among asian people with a rate of 98.49%.
The highest rate of bachelors degrees is among asian people with a rate of 63.82%.
All
Male
Female
$57,523
Average Earnings
$62,816
Average Male
$49,379
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
61.23% of Marlborough residents speak only English, while 38.77% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 21.16% of the population.
rate
8.81%
Overall Poverty Rate
8.71%
Male Poverty Rate
8.91%
Female Poverty Rate
The race most likely to be in poverty in Marlborough is Islander, with 100% below the poverty level.
The race least likely to be in poverty in Marlborough is Asian, with 0.33% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.77%. Among those working part-time, it was 9.67%, and for those that did not work, the poverty rate was 21.76%.
Married
Widowed
Divorced
Separated
NeverMarried
51.4%
Overall Marriage Rate
55.4%
Male Marriage Rate
47.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
14.83%
Veteran Poverty Rate
21.26%
Veteran Disability Rate
LaborForceParticipation
72%
Labor Force Participation
68.1%
Employment Rate
5.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
52.06%
Born in Marlborough
70.87%
Native Born
29.13%
Foreign Born
17.07%
Non Citizen
12.06%
Naturalized
70.87% of Marlborough residents were born in the United States, with 52.06% having been born in Massachusetts. 17.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 38,580 | -342 | -0.88% |
| 2028 | 38,922 | -341 | -0.87% |
| 2027 | 39,263 | -342 | -0.86% |
| 2026 | 39,605 | -341 | -0.85% |
| 2025 | 39,946 | -342 | -0.85% |
| 2024 | 40,288 | -341 | -0.84% |
| 2023 | 40,629 | -342 | -0.83% |
| 2022 | 40,971 | -171 | -0.42% |
| 2021 | 41,142 | -512 | -1.23% |
| 2020 | 41,654 | 2,050 | 5.18% |
| 2019 | 39,604 | -140 | -0.35% |
| 2018 | 39,744 | -82 | -0.21% |
| 2017 | 39,826 | 7 | 0.02% |
| 2016 | 39,819 | -6 | -0.02% |
| 2015 | 39,825 | 113 | 0.28% |
| 2014 | 39,712 | 227 | 0.57% |
| 2013 | 39,485 | 165 | 0.42% |
| 2012 | 39,320 | 372 | 0.96% |
| 2011 | 38,948 | 364 | 0.94% |
| 2010 | 38,584 | 2,329 | 6.42% |
| 2000 | 36,255 | 4,442 | 13.96% |
| 1990 | 31,813 | 1,196 | 3.91% |
| 1980 | 30,617 | 2,681 | 9.6% |
| 1970 | 27,936 | 9,117 | 48.45% |
| 1960 | 18,819 | 3,063 | 19.44% |
| 1950 | 15,756 | 602 | 3.97% |
| 1940 | 15,154 | -433 | -2.78% |
| 1930 | 15,587 | 559 | 3.72% |
| 1920 | 15,028 | 449 | 3.08% |
| 1910 | 14,579 | 970 | 7.13% |
| 1900 | 13,609 | -196 | -1.42% |
| 1890 | 13,805 | 3,678 | 36.32% |
| 1880 | 10,127 | 1,653 | 19.51% |
| 1870 | 8,474 | 2,563 | 43.36% |
| 1860 | 5,911 | 0 | 0% |