Plymouth, NH Profile: Facts, Map & Data


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Plymouth, New Hampshire - Basic Facts

The Plymouth Census Designated Place had a population of 4,314 as of July 1, 2018.

The primary coordinate point for Plymouth is located at latitude 43.7388 and longitude -71.7027 in Grafton County. The formal boundaries for the Plymouth Census Designated Place (see map below) encompass a land area of 3.65 sq. miles and a water area of 0.09 sq. miles. Grafton County is in the Eastern time zone (GMT -5). The elevation is 515 feet.

The Plymouth Census Designated Place (GNIS ID: 2378089) 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 Plymouth Census Designated Place is located within Town of Plymouth, a minor civil division (MCD) of Grafton County.

Beneath the boundary map are tables with Plymouth population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Plymouth: Plymouth Compact.

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Plymouth Census Designated Place, NH Boundary Map

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Boundary Maps: Town of Plymouth | Grafton County | New Hampshire Counties

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Plymouth, NH Data & Demographics (As of July 1, 2018)


Total Population 4,314
Population in Households 2,251
Population in Familes 996
Population in Group Qrtrs 2,063
Population Density2 1,181
Diversity Index3 14


Median Household Income $27,926
Average Household Income $50,416
Per Capita Income $13,324


Total Housing Units 917 (100%)
Owner Occupied HU 334 (36.4%)
Renter Occupied HU 498 (54.3%)
Vacant Housing Units 85 ( 9.3%)
Median Home Value $209,906
Average Home Value $226,347


Total Households 832
Average Household Size 2.71
Family Households 306
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 -0.39% -0.03%
Households -0.06% 0.07%
Families -0.58% -0.07%
Median Household Income   4.79%
Per Capita Income   1.68%

Plymouth, NH - Peer Comparisons by Rank and Percentile

The table below compares Plymouth to the other 97 incorporated cities, towns and CDPs in New Hampshire by rank and percentile using July 1, 2018 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 # 29 71st
Population Density # 26 74th
Diversity Index # 33 66th
Median Household Income # 97 1st
Per Capita Income # 97 1st

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

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New Hampshire Census Data Comparison Tool

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