Marlborough Flag

Marlborough

County Seat:
No
Area (mi²):
23.351
State:
Connecticut

Marlborough is located in Capitol Planning Region, Connecticut. Marlborough has a 2025 population of 6,130. Marlborough is currently growing at a rate of 0.2% annually and its population has increased by 0.52% 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.

6.1K
Total Population
263
Density (mi²)
12 0.2%
Growth

Marlborough Population

Marlborough Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marlborough includes 84.41% White, 4.77% Asian, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

White (84.4%)

Two or more races (7.7%)

Asian (4.8%)

Black or African American (2.0%)

Other race (1.1%)

Race
Population
Percentage (of total)
White5,15484.41%
Two or more races4717.71%
Asian2914.77%
Black or African American1222%
Other race681.11%

Marlborough Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marlborough's average per capita income is $81,100. Household income levels show a median of $140,022. The poverty rate stands at 9.19%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$152,308-
Families$145,938$191,810
Households$140,022$180,209
Non Families$57,982$92,207

$81,100

Average Income

$140,022

Median Household Income

9.19%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)