Marlborough is located in Capitol Planning Region Connecticut. Marlborough has a 2024 population of 6,118. Marlborough is currently growing at a rate of 0.2% annually and its population has increased by 0.33% since the most recent census, which recorded a population of 6,098 in 2020.
The average household income in Marlborough is $180,209 with a poverty rate of 9.19%. The median age in Marlborough is 42.8 years: 42.4 years for males, and 43.4 years for females.
According to the most recent ACS, the racial composition of Marlborough was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,154 | 84.41% |
| Two or more races | 471 | 7.71% |
| Asian | 291 | 4.77% |
| Black or African American | 122 | 2% |
| Other race | 68 | 1.11% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Asian
Black or African American
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 2,151 | 2.79 | 90.2 | 9.8 |
| Married | 1,538 | 3.05 | 96.3 | 3.7 |
| Non Family | 327 | 1.27 | 68.2 | 31.8 |
| Female | 179 | 2.9 | 84.9 | 15.1 |
| Male | 107 | 3.6 | 78.5 | 21.5 |
2.91
Average Family Size
2.79
Average Household Size
90.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 30 | 0.69% |
| Associates Degree | 337 | 7.8% |
| Bachelors Degree | 1,288 | 29.79% |
| Graduate Degree | 850 | 19.66% |
| High School Graduate | 784 | 18.14% |
| Less Than 9th Grade | 92 | 2.13% |
| Some College | 942 | 21.79% |
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
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 3,772 | 3,663 | 1,890 |
| Hispanic | 308 | 295 | 90 |
| 2+ Races | 214 | 201 | 33 |
| Asian | 139 | 139 | 110 |
| Black | 86 | 86 | 48 |
| Other Race | 48 | 48 | 19 |
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 79.14%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $99,013 | $121,382 | $66,522 |
| Graduate Degree | $108,875 | $132,788 | $107,950 |
| High School Graduate | $0 | $0 | $38,197 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $81,100 | $88,491 | $68,980 |
| Some College | $74,513 | $82,554 | $59,428 |
$81,100
Average Earnings
$88,491
Average Male
$68,980
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
88.78% of Marlborough residents speak only English, while 11.22% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.95% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 4,908 | 488 | 9.94% |
| Multiple | 471 | 63 | 13.38% |
| Hispanic | 636 | 63 | 9.91% |
9.19%
Overall Poverty Rate
8.53%
Male Poverty Rate
9.84%
Female Poverty Rate
The race most likely to be in poverty in Marlborough is Multiple, with 13.38% below the poverty level.
The race least likely to be in poverty in Marlborough is Hispanic, with 9.91% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 7.31%. Among those working part-time, it was 8.26%, and for those that did not work, the poverty rate was 15.67%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 43.44% |
| High School | 25.49% |
| Some College | 10.17% |
| Bachelors or Greater | 0.75% |
rate
Rate | Poverty |
|---|---|
| Female Unemployed | 66.67% |
| Male Employed | 10.67% |
| Female Employed | 5.26% |
| Male Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $145,938 | $191,810 |
| Households | $140,022 | $180,209 |
| Married Families | $152,308 | $-999,999,999 |
| Non Families | $57,982 | $92,207 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
63.6%
Overall Marriage Rate
64.9%
Male Marriage Rate
62.3%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
291
Number of Veterans
279
Male Veterans
12
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 135 |
| Second Gulf War | 65 |
| First Gulf War | 25 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 102 |
| 35 to 54 | 68 |
| 75+ | 68 |
| 55 to 64 | 28 |
| 18 to 34 | 25 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 259 | 6.37% |
| Other Race | 19 | 39.58% |
| Hispanic | 19 | 5.12% |
| Black | 13 | 15.12% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
23.37%
Veteran Poverty Rate
23.71%
Veteran Disability Rate
LaborForceParticipation
70.8%
Labor Force Participation
66.5%
Employment Rate
6.2%
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
62.97%
Born in Marlborough
93.91%
Native Born
6.09%
Foreign Born
2.13%
Non Citizen
3.96%
Naturalized
93.91% of Marlborough residents were born in the United States, with 62.97% having been born in Connecticut. 2.13% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 6,178 | 12 | 0.19% |
| 2028 | 6,166 | 12 | 0.19% |
| 2027 | 6,154 | 12 | 0.2% |
| 2026 | 6,142 | 12 | 0.2% |
| 2025 | 6,130 | 12 | 0.2% |
| 2024 | 6,118 | 12 | 0.2% |
| 2023 | 6,106 | 12 | 0.2% |
| 2022 | 6,094 | -2 | -0.03% |
| 2021 | 6,096 | -2 | -0.03% |
| 2020 | 6,098 | -233 | -3.68% |
| 2019 | 6,331 | -23 | -0.36% |
| 2018 | 6,354 | -8 | -0.13% |
| 2017 | 6,362 | -24 | -0.38% |
| 2016 | 6,386 | -18 | -0.28% |
| 2015 | 6,404 | -10 | -0.16% |
| 2014 | 6,414 | 17 | 0.27% |
| 2013 | 6,397 | -16 | -0.25% |
| 2012 | 6,413 | 5 | 0.08% |
| 2011 | 6,408 | 18 | 0.28% |
| 2010 | 6,390 | 0 | 0% |