Belmont, MA 02478 ZIP Code Profile

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Belmont, MA

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ZIP Code 02478: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Belmont, MA 02478

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 908
  • Single Family Addresses: 9,322
  • Multi-Family Addresses: 736
  • County: Middlesex County
  • Centroid: Latitude 42.394, Longitude -71.18
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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02478 ZIP Code Map

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Belmont, MA 02478 Data & Demographics (As of July 1, 2016)


Total Population 25,293
Population in Households 25,095
Population in Familes 20,733
Population in Group Qrtrs 198
Population Density1 5,406
Diversity Index2 40


Total Households 9,696
Average Household Size 2.59
Family Households 6,645
Average Family Size 3


Total Housing Units 10,232 (100%)
Owner Occupied HU 5,998 (58.6%)
Renter Occupied HU 3,698 (36.1%)
Vacant Housing Units 536 ( 5.2%)
Median Home Value $664,989
Average Home Value $713,709


Median Household Income $113,888
Average Household Income $162,676
Per Capita Income $62,523
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.68% 0.88%
Households 0.56% 0.82%
Families 0.48% 0.78%
Median Household Income   1.7%
Per Capita Income   1.6%
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 02478 - Peer Comparisons by Rank and Percentile

The table below compares 02478 to the other 515 ZIP Codes 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 # 90 83rd
Population Density1 # 82 84th
Diversity Index2 # 143 72nd
Median Household Income # 50 90th
Per Capita Income # 47 91st

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