Belmont Flag

Belmont

County Seat:
No
Area (mi²):
4.647
State:
Massachusetts

Belmont is a CDP located in Middlesex County, Massachusetts. Belmont has a 2025 population of 27,564. Belmont is currently growing at a rate of 0.69% annually and its population has increased by 5.38% since the most recent census, which recorded a population of 26,158 in 2020.

The average household income in Belmont is $239,287 with a poverty rate of 3.45%.The median age in Belmont is 42.4 years: 42 years for males, and 42.9 years for females.

27.6K
Total Population
5,931
Density (mi²)
189 0.69%
Growth

Belmont Population

Belmont Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Belmont includes 69.62% White, 20.38% Asian, and smaller percentages for other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White18,80469.62%
Asian5,50420.38%
Two or more races1,7926.63%
Other race4541.68%
Black or African American4461.65%
Native American90.03%

Belmont Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Belmont's average per capita income is $107,152. Household income levels show a median of $178,188. The poverty rate stands at 3.45%.

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$228,553-
Families$212,881$278,356
Households$178,188$239,287
Non Families$85,294$119,095

$107,152

Average Income

$178,188

Median Household Income

3.45%

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)