Marlborough, Massachusetts Population 2020

39,815

Marlborough is a city located in Massachusetts. With a 2020 population of 39,815, it is the 37th largest city in Massachusetts and the 987th largest city in the United States. Marlborough is currently declining at a rate of -0.01% annually but its population has increased by 3.42% since the most recent census, which recorded a population of 38,499 in 2010. Marlborough reached it's highest population of 39,825 in 2018. Spanning over 22 miles, Marlborough has a population density of 1,909 people per square mile.

The average household income in Marlborough is $100,656 with a poverty rate of 6.29%. The median rental costs in recent years comes to $1,435 per month, and the median house value is $333,600. The median age in Marlborough is 40.2 years, 39.7 years for males, and 40.8 years for females. For every 100 females there are 89.6 males.

Marlborough Demographics

According to the most recent ACS, the racial composition of Marlborough was:

  • White: 78.91%
  • Other race: 7.34%
  • Asian: 5.89%
  • Two or more races: 4.64%
  • Black or African American: 3.00%
  • Native American: 0.11%
  • Native Hawaiian or Pacific Islander: 0.09%
The current population of Marlborough, Massachusetts is 39,815, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 39,825.The last official US Census in 2010 recorded the population at 38,499.

Marlborough, Massachusetts Population 2020

Population by Race

Race Population Percentage
White31,38978.91%
Some Other Race2,9217.34%
Asian2,3445.89%
Two or More Races1,8474.64%
Black or African American1,1953.00%
American Indian and Alaska Native450.11%
Native Hawaiian and Other Pacific Islander350.09%

Marlborough Population Pyramid 2020

Marlborough Median Age

40.2


Total

39.7


Male

40.8


Female

Marlborough Adults

There are 31,866 adults, (5,599 of whom are seniors) in Marlborough.

Marlborough Age Dependency

51.4

Age Dependency Ratio

21.3

Old Age Dependency Ratio

30.1

Child Dependency Ratio

Marlborough Sex Ratio

Female

20,983

52.75%

Male

18,793

47.25%

Marlborough Households and Families

Marlborough Renter vs Owner Occupied by Household Type

Marlborough Household Types

Type Owner Renter
Married73.2%26.8%
All57.1%42.9%
Male47.5%52.5%
Non Family42.1%57.9%
Female40%60%

57.1%

Rate of Home Ownership

Type Count Average Size Owned
All15,7182.4957.1
Married7,6353.2173.2
Non Family5,8471.3242.1
Female1,8173.1340
Male4193.1647.5

3.12

Average Family Size

2.49

Average Household Size

6.6%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Marlborough Education

Education Attained Count Percentage
Less Than 9th Grade1,2124.23%
9th to 12th Grade8522.97%
High School Graduate7,77927.12%
Some College4,82016.81%
Associates Degree2,4008.37%
Bachelors Degree6,87323.96%
Graduate Degree4,74416.54%

Marlborough Educational Attainment by Race

Name Total High School Bachelors
White21,32620,2458,631
Hispanic3,5842,880951
Other Race2,3392,111482
Asian1,7991,6891,498
Multiple Races1,014711310
Black673578338
Native American333310

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 83.27%.

Name Average Male Female
Overall$48,850$54,843$41,467
Less Than High School$30,111$31,485$26,541
High School Grad$33,960$40,714$25,202
Some College$40,936$53,372$35,620
Bachelors Degree$68,097$76,165$59,926
Graduate Degree$83,742$111,553$74,778

$48,850

Average Earnings

$54,843

Average Male

$41,467

Average Female

Marlborough Language

Marlborough Language by Age

Marlborough Language

66.82% of Marlborough residents speak only English, while 33.18% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 16.94% of the population.

Marlborough Poverty

Marlborough Poverty by Race

Name Total In Poverty Poverty Rate
White28,4571,7196.04%
Hispanic5,5174698.50%
Other2,9212809.59%
Multiple1,8461598.61%
Asian2,3441566.66%
Black1,167403.43%
Islander3535100.00%

6.29%

Overall Poverty Rate

4.95%

Male Poverty Rate

7.50%

Female Poverty Rate

Poverty in Marlborough

The race most likely to be in poverty in Marlborough is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Marlborough is Black, with 3.43% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.96%. Among those working part-time, it was 9.98%, and for those that did not work, the poverty rate was 12.00%.

Name Poverty
Less Than High School8.74%
Some College7.10%
High School6.72%
Bachelors or Greater3.16%
Name Poverty
Female Unemployed25.65%
Male Unemployed13.19%
Female Employed5.69%
Male Employed2.08%

Marlborough Income

Marlborough Income by Household Type

Name Median Mean
Households$79,228$100,656
Families$100,750$118,710
Married Families$110,467-
Non Families$52,677$66,753

Marlborough Marital Status

Marlborough Marital Status

Marriage Rates

49.5%

Overall Marriage Rate

52.7%

Male Marriage Rate

46.7%

Female Marriage Rate

Marlborough Married by Age and Sex

Marlborough Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Marlborough Marital Status by Race

Marlborough Veterans

1,900

Number of Veterans

1,773

Male Veterans

127

Female Veterans

War Veterans
Vietnam651
First Gulf War363
Second Gulf War332
Korea176
World War II146
Age Group Veterans
75+537
65 to 74497
35 to 54447
55 to 64277
18 to 34142
Name Veterans % of Total
White1,8337.23%
Hispanic992.49%
Other361.44%
Black202.55%
2 or More110.88%

$Marlborough Veterans by Education

7.75%

Veteran Poverty Rate

25.04%

Veteran Disability Rate

Marlborough Employment Status

74%

Labor Force Participation

70.5%

Employment Rate

4.7%

Unemployment Rate

Marlborough Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

56.87%

Born in Massachusetts

75.70%

Native Born

24.30%

Foreign Born

14.04%

Non Citizen

Place of Birth

75.70% of Marlborough residents were born in the United States, with 56.87% having been born in Massachusetts. 14.04% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202039,815-5-0.01%
201939,820-5-0.01%
201839,825370.09%
201739,788-5-0.01%
201639,793-6-0.02%
201539,7991080.27%
201439,6912230.57%
201339,4681630.41%
201239,3053710.95%
201138,9343540.92%
201038,5802,3250.62%
200036,2554,4421.32%
199031,8131,1960.38%
198030,6172,6810.92%
197027,9369,1174.03%
196018,8193,0631.79%
195015,7566020.39%
194015,154-433-0.28%
193015,5875590.37%
192015,0284490.30%
191014,5799700.69%
190013,609-196-0.14%
189013,8053,6783.15%
188010,1271,6531.80%
18708,4742,5633.67%
18605,9110.00%