Belmont, MA Profile: Facts, Map & Data


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Belmont, Massachusetts - Basic Facts

The Belmont Census Designated Place had a population of 25,800 as of July 1, 2016. Belmont ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Massachusetts. See peer rankings below.

The primary coordinate point for Belmont is located at latitude 42.3953 and longitude -71.1803 in Middlesex County. The formal boundaries for the Belmont Census Designated Place (see map below) encompass a land area of 4.65 sq. miles and a water area of 0.07 sq. miles. Middlesex County is in the Eastern time zone (GMT -5). The elevation is 56 feet.

The Belmont Census Designated Place (GNIS ID: 2377988) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Belmont Census Designated Place is located within Town of Belmont, a minor civil division (MCD) of Middlesex County.

Beneath the boundary map are tables with Belmont population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


Belmont Census Designated Place, MA Boundary Map

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Boundary Maps: Town of Belmont | Middlesex County | Massachusetts Counties

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Belmont, MA Data & Demographics (As of July 1, 2016)


Total Population 25,800
Population in Households 25,602
Population in Familes 21,127
Population in Group Qrtrs 198
Population Density1 5,547
Diversity Index2 40


Total Households 9,986
Average Household Size 2.56
Family Households 6,818
Average Family Size 3


Total Housing Units 10,579 (100%)
Owner Occupied HU 6,118 (57.8%)
Renter Occupied HU 3,868 (36.6%)
Vacant Housing Units 593 ( 5.6%)
Median Home Value $664,902
Average Home Value $713,007


Median Household Income $113,208
Average Household Income $161,685
Per Capita Income $62,739
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.68% 0.87%
Households 0.55% 0.81%
Families 0.47% 0.77%
Median Household Income   1.73%
Per Capita Income   1.59%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Belmont, MA - Peer Comparisons by Rank and Percentile

The table below compares Belmont to the other 246 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 57 77th
Population Density1 # 18 93rd
Diversity Index2 # 53 78th
Median Household Income # 16 94th
Per Capita Income # 18 93rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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