Marshfield, MA Profile: Facts & Data


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Marshfield, Massachusetts - Basic Facts

The Marshfield CDP(1) had a population of 4,707 as of July 1, 2022. Marshfield ranks in the lower quartile for 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 Marshfield is located at latitude 42.0918 and longitude -70.7056 in Plymouth County. The formal boundaries for the Marshfield Census Designated Place encompass a land area of 5.07 sq. miles and a water area of 0.08 sq. miles. Plymouth County is in the Eastern time zone (GMT -5). The elevation is 16 feet.

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

Alternate Unofficial Names for Marshfield: Conohasset, Greens Harbour, Rexhame, South Marshfield, Wrexham.

  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.

Jump to... (On This Page!)
  1. Marshfield 2022 Demographic Data
  2. Growth Rates for Marshfield (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 - 2022 Demographics

Marshfield, MA Data & Demographics (As of July 1, 2022)


Total Population 4,707 (100%)
Population in Households 4,695 (99.7%)
Population in Families 3,897 (82.8%)
Population in Group Quarters1 12 ( 0.3%)
Population Density 932
Diversity Index2 18


Median Household Income $109,917
Average Household Income $146,461
% of Income for Mortgage4 23%
Per Capita Income $58,353
Wealth Index5 169


Total HU (Housing Units) 2,067 (100%)
Owner Occupied HU 1,471 (71.2%)
Renter Occupied HU 498 (24.1%)
Vacant Housing Units 97 ( 4.7%)
Median Home Value $471,978
Average Home Value $510,561
Housing Affordability Index3 108


Total Households 1,970
Average Household Size 2.38
Family Households 1,310
Average Family Size 3.00
  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.


2020-2022 2022-2027
Population 0.51% 0.45%
Households 0.82% 0.54%
Families   0.59%
Median Household Income   2.74%
Per Capita Income   2.94%
Owner Occupied HU   0.97%

Marshfield, MA - Peer Comparisons by Rank and Percentile

The table below compares Marshfield to the other 248 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2022 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 # 124 50th
Population Density # 167 33rd
Median Household Income # 80 68th
Housing Affordability Index # 182 73rd
Per Capita Income # 92 63rd
Diversity Index # 219 13th

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

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