Dover, NH 03820 ZIP Code Profile

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Dover, NH

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ZIP Code 03820: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Dover, NH 03820

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,078
  • Single Family Addresses: 11,709
  • Multi-Family Addresses: 2,497
  • County: Strafford County
  • Centroid: Latitude 43.186, Longitude -70.914
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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03820 ZIP Code Map

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Dover, NH 03820 Data & Demographics (As of July 1, 2016)


Total Population 31,732
Population in Households 30,807
Population in Familes 21,429
Population in Group Qrtrs 925
Population Density1 1,167
Diversity Index2 26


Total Households 13,632
Average Household Size 2.26
Family Households 7,444
Average Family Size 3


Total Housing Units 14,370 (100%)
Owner Occupied HU 6,810 (47.4%)
Renter Occupied HU 6,822 (47.5%)
Vacant Housing Units 738 ( 5.1%)
Median Home Value $252,415
Average Home Value $291,957


Median Household Income $56,672
Average Household Income $80,284
Per Capita Income $35,233
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.93% 0.91%
Households 1.0% 0.97%
Families 0.89% 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 03820 - Peer Comparisons by Rank and Percentile

The table below compares 03820 to the other 242 ZIP Codes 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 # 6 98th
Population Density1 # 14 95th
Diversity Index2 # 16 94th
Median Household Income # 154 37th
Per Capita Income # 106 57th

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