Belmont Flag

Belmont

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

Belmont is a CDP located in Middlesex County, Massachusetts. Belmont has a 2026 population of 27,535. Belmont is currently growing at a rate of 0.64% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Belmont is $183,137 with a poverty rate of 3.6%. The median age in Belmont is 42.9 years: 42.2 years for males, and 43.7 years for females. For every 100 females there are 93.1 males.

27.5K
Total Population
5,925
Density (mi²)
175 0.64%
Growth

Belmont Population

Demographics

Economics and Income Statistics

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)