Marblehead, MA Profile: Facts, Map & Data


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Marblehead, Massachusetts - Basic Facts

The Marblehead Census Designated Place had a population of 20,741 as of July 1, 2017. Marblehead ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Massachusetts. See peer rankings below.

The primary coordinate point for Marblehead is located at latitude 42.4956 and longitude -70.8358 in Essex County. The formal boundaries for the Marblehead Census Designated Place (see map below) encompass a land area of 4.39 sq. miles and a water area of 15.2 sq. miles. Essex County is in the Eastern time zone (GMT -5). The elevation is 59 feet.

The Marblehead Census Designated Place (GNIS ID: 2378158) 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 Marblehead Census Designated Place is located within Town of Marblehead, a minor civil division (MCD) of Essex County.

Beneath the boundary map are tables with Marblehead 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 Marblehead: Marble Harbor.

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Marblehead Census Designated Place, MA Boundary Map

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


Total Population 20,741
Daytime Population: Workers 6,932
Daytime Population: Residents 10,143
Total Daytime Population (TDP) 17,075
Ratio TDP/Total Population1 0.82
Population in Households 20,614
Population in Familes 17,148
Population in Group Qrtrs 127
Population Density2 4,729
Diversity Index3 17


Median Household Income $113,113
Average Household Income $159,311
Per Capita Income $65,146


Total Housing Units 9,156 (100%)
Owner Occupied HU 6,414 (70.1%)
Renter Occupied HU 2,051 (22.4%)
Vacant Housing Units 691 ( 7.5%)
Median Home Value $664,049
Average Home Value $732,109


Total Households 8,465
Average Household Size 2.44
Family Households 5,642
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 0.64% 0.71%
Households 0.53% 0.66%
Families 0.44% 0.59%
Median Household Income   1.47%
Per Capita Income   1.89%

Marblehead, MA - Peer Comparisons by Rank and Percentile

The table below compares Marblehead 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 # 65 74th
Population Density # 26 90th
Diversity Index # 164 33rd
Median Household Income # 21 92nd
Per Capita Income # 15 94th

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

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