Seabrook, MA Profile: Facts, Map & Data


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Seabrook, Massachusetts - Basic Facts

The Seabrook Census Designated Place had a population of 459 as of July 1, 2017. Seabrook 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 Seabrook is located at latitude 41.5854 and longitude -70.498 in Barnstable County. The formal boundaries for the Seabrook Census Designated Place (see map below) encompass a land area of 0.35 sq. miles and a water area of 0 sq. miles. Barnstable County is in the Eastern time zone (GMT -5). The elevation is 16 feet.

The Seabrook Census Designated Place (GNIS ID: 2378219) 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 Seabrook Census Designated Place is located within Town of Mashpee, a minor civil division (MCD) of Barnstable County.

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

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Seabrook Census Designated Place, MA Boundary Map

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


Total Population 459
Daytime Population: Workers 22
Daytime Population: Residents 234
Total Daytime Population (TDP) 256
Ratio TDP/Total Population1 0.56
Population in Households 459
Population in Familes 383
Population in Group Qrtrs 0
Population Density2 1,313
Diversity Index3 10


Median Household Income $79,500
Average Household Income $129,197
Per Capita Income $58,712


Total Housing Units 261 (100%)
Owner Occupied HU 175 (67.0%)
Renter Occupied HU 29 (11.1%)
Vacant Housing Units 57 (21.8%)
Median Home Value $536,458
Average Home Value $679,857


Total Households 204
Average Household Size 2.25
Family Households 145
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 0.12% 0.09%
Households 0.14% 0.1%
Families -1.0% 0.0%
Median Household Income   3.79%
Per Capita Income   2.03%

Seabrook, MA - Peer Comparisons by Rank and Percentile

The table below compares Seabrook 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 # 237 4th
Population Density # 130 48th
Diversity Index # 228 8th
Median Household Income # 87 65th
Per Capita Income # 26 90th

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

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