West Chatham, MA Profile: Facts & Data


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West Chatham, Massachusetts - Basic Facts

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The West Chatham CDP(1) had a population of 1,496 as of July 1, 2021. West Chatham ranks in the lower 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 West Chatham is located at latitude 41.6812 and longitude -69.9911 in Barnstable County. The formal boundaries for the West Chatham Census Designated Place encompass a land area of 2.88 sq. miles and a water area of 0.4 sq. miles. Barnstable County is in the Eastern time zone (GMT -5). The elevation is 49 feet.

The West Chatham Census Designated Place 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 West Chatham Census Designated Place is located within Town of Chatham, a minor civil division (MCD) of Barnstable County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. West Chatham 2021 Demographic Data
  2. Growth Rates for West Chatham (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Massachusetts Research Tools (Easy Tools & Current Data)
  3. Massachusetts Data Comparison Tool - 2021 Demographics

West Chatham, MA Data & Demographics (As of July 1, 2021)


Total Population 1,496 (100%)
Population in Households 1,496 (100.0%)
Population in Families 1,107 (74.0%)
Population in Group Quarters1 0
Population Density 512
Diversity Index2 17


Median Household Income $102,260
Average Household Income $141,504
% of Income for Mortgage4 33%
Per Capita Income $69,237
Wealth Index5 235


Total HU (Housing Units) 1,932 (100%)
Owner Occupied HU 611 (31.6%)
Renter Occupied HU 125 ( 6.5%)
Vacant Housing Units 1,196 (61.9%)
Median Home Value $793,919
Average Home Value $926,557
Housing Affordability Index3 80


Total Households 736
Average Household Size 2.03
Family Households 433
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.53% 0.13%
Households 0.46% 0.08%
Families 0.57% 0.05%
Median Household Income   1.48%
Per Capita Income   2.27%
Owner Occupied HU   0.36%

West Chatham, MA - Peer Comparisons by Rank and Percentile

The table below compares West Chatham to the other 245 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2021 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 # 210 15th
Population Density # 226 8th
Median Household Income # 71 71st
Housing Affordability Index # 42 17th
Per Capita Income # 21 92nd
Diversity Index # 193 22nd

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

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