Dover, NH 03820 ZIP Code Profile

Related Place Profiles:
Dover, NH

ZIP Code 03820: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Dover, NH 03820

  • ZIP Code Type: STANDARD
  • County: Strafford County
  • Centroid: Latitude 43.186, Longitude -70.914
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,076
  • PO Box Addresses: 0
  • Residential Addresses: 14,522
    • Multi-Family Addresses: 2,618
    • Single Family Addresses: 11,904

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 03820 2018 Demographic Data
  2. Growth Rates for 03820 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New Hampshire Research Tools (Easy Tools & Current Data)
  3. New Hampshire Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Dover, NH 03820 Data & Demographics (As of July 1, 2018)


Total Population 32,146
Population in Households 31,192
Population in Familes 21,830
Population in Group Qrtrs 954
Population Density2 1,185
Diversity Index3 27


Median Household Income $64,556
Average Household Income $86,999
Per Capita Income $37,899


Total Housing Units 14,551 (100%)
Owner Occupied HU 7,499 (51.5%)
Renter Occupied HU 6,225 (42.8%)
Vacant Housing Units 827 ( 5.7%)
Median Home Value $263,241
Average Home Value $293,359


Total Households 13,724
Average Household Size 2.27
Family Households 7,454
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.84% 0.82%
Households 0.82% 0.85%
Families 0.66% 0.75%
Median Household Income   2.78%
Per Capita Income   3.02%

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, 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 # 6 98th
Population Density # 13 95th
Diversity Index # 16 94th
Median Household Income # 132 46th
Per Capita Income # 103 58th

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

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