Wellesley, MA Profile: Facts, Map & Data


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Wellesley, Massachusetts - Basic Facts

The Wellesley Census Designated Place had a population of 29,247 as of July 1, 2017. Wellesley 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 Wellesley is located at latitude 42.3059 and longitude -71.2829 in Norfolk County. The formal boundaries for the Wellesley Census Designated Place (see map below) encompass a land area of 10.02 sq. miles and a water area of 0.5 sq. miles. Norfolk County is in the Eastern time zone (GMT -5). The elevation is 125 feet.

The Wellesley Census Designated Place (GNIS ID: 2378032) 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 Wellesley Census Designated Place is located within Town of Wellesley, a minor civil division (MCD) of Norfolk County.

Beneath the boundary map are tables with Wellesley population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Wellesley: West Needham.

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Wellesley Census Designated Place, MA Boundary Map

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Wellesley, MA Data & Demographics (As of July 1, 2017)


Total Population 29,247
Daytime Population: Workers 24,016
Daytime Population: Residents 16,052
Total Daytime Population (TDP) 40,068
Ratio TDP/Total Population1 1.37
Population in Households 25,378
Population in Familes 22,686
Population in Group Qrtrs 3,869
Population Density2 2,920
Diversity Index3 40


Median Household Income $179,176
Average Household Income $239,730
Per Capita Income $76,728


Total Housing Units 9,554 (100%)
Owner Occupied HU 7,244 (75.8%)
Renter Occupied HU 1,783 (18.7%)
Vacant Housing Units 527 ( 5.5%)
Median Home Value $976,536
Average Home Value $988,877


Total Households 9,027
Average Household Size 2.81
Family Households 6,896
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.61% 0.55%
Households 0.52% 0.58%
Families 0.46% 0.55%
Median Household Income   0.89%
Per Capita Income   1.49%

Wellesley, MA - Peer Comparisons by Rank and Percentile

The table below compares Wellesley to the other 246 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2017 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 # 50 80th
Population Density # 45 82nd
Diversity Index # 58 77th
Median Household Income # 2 100th
Per Capita Income # 5 98th

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

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