Dover, NH Profile: Facts, Map & Data


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Dover, New Hampshire - Basic Facts

The City of Dover is the 4th largest city in New Hampshire with a population of 31,775 as of July 1, 2016. Dover ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New Hampshire. See peer rankings below.

The primary coordinate point for Dover is located at latitude 43.1864 and longitude -70.8836 in Strafford County. The formal boundaries for the City of Dover (see map below) encompass a land area of 26.71 sq. miles and a water area of 2.31 sq. miles. Strafford County is in the Eastern time zone (GMT -5). The elevation is 66 feet.

The City of Dover (GNIS ID: 873580) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Dover population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Dover: Bristol, Cochecho, Cocheco, Hilton's Point, Nachwanach, Newichwannock, Northam, Quochecho, Winichahanat.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Dover, NH Boundary Map

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Dover, NH Data & Demographics (As of July 1, 2016)


Total Population 31,775
Population in Households 30,850
Population in Familes 21,465
Population in Group Qrtrs 925
Population Density1 1,190
Diversity Index2 26


Total Households 13,652
Average Household Size 2.26
Family Households 7,458
Average Family Size 3


Total Housing Units 14,390 (100%)
Owner Occupied HU 6,825 (47.4%)
Renter Occupied HU 6,827 (47.4%)
Vacant Housing Units 738 ( 5.1%)
Median Home Value $252,433
Average Home Value $291,960


Median Household Income $56,669
Average Household Income $80,287
Per Capita Income $35,237
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.93% 0.91%
Households 1.0% 0.97%
Families 0.88% 0.9%
Median Household Income   -0.54%
Per Capita Income   1.35%
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.

Dover, NH - Peer Comparisons by Rank and Percentile

The table below compares Dover to the other 97 incorporated cities, towns and CDPs in New Hampshire 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 # 4 97th
Population Density1 # 25 75th
Diversity Index2 # 7 94th
Median Household Income # 37 63rd
Per Capita Income # 24 76th

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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