Seabrook, MA Profile: Facts, Map & Data


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Seabrook, Massachusetts - Basic Facts

The Seabrook Census Designated Place had a population of 451 as of July 1, 2016. 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, 2016.

Neighborhood Data

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Seabrook Census Designated Place, MA Boundary Map

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


Total Population 451
Population in Households 451
Population in Familes 377
Population in Group Qrtrs 0
Population Density1 1,290
Diversity Index2 9


Total Households 199
Average Household Size 2.27
Family Households 142
Average Family Size 3


Total Housing Units 261 (100%)
Owner Occupied HU 171 (65.5%)
Renter Occupied HU 28 (10.7%)
Vacant Housing Units 62 (23.8%)
Median Home Value $510,870
Average Home Value $670,494


Median Household Income $77,949
Average Household Income $128,141
Per Capita Income $57,522
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.14% -0.04%
Households -0.24% 0.0%
Families -1.49% -0.14%
Median Household Income   0.05%
Per Capita Income   1.58%
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.

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, 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 # 237 4th
Population Density1 # 129 48th
Diversity Index2 # 232 6th
Median Household Income # 82 67th
Per Capita Income # 25 90th

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

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