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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 03820, Dover, NH

ZIP Code 03820 Details

Zip Code:03820
State:NH [New Hampshire]
Multi County:No
City Alias(es):Dover
Area Code:603
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:92 ft
State FIPS:33
County FIPS:017
Division:New England
Intro Date:<2004-10

ZIP Code 03820 2010 Census Demographics

Current Population:34,933
2010 Population:30,039
Households per ZIP Code:12,847
Average House Value:$310,200
Avg. Income Per Household:$82,464
Persons Per Household:2.27
White Population:27,821
Black Population:802
Hispanic Population:661
Asian Population:1,623
American Indian Population:227
Hawaiian Population:49
Other Population:253
Male Population:14,716
Female Population:15,323
Median Age:36.70 years
Male Median Age:35.20 years
Female Median Age:38.20 years

ZIP Code 03820 Other Demographics

# Residential Mailboxes:15,389
# Business Mailboxes:1,187
Total Delivery Receptacles:16,520
Number of Businesses:901
1st Quarter Payroll:$264,273,000
Annual Payroll:$983,078,000
# of Employees:16,429
Water Area:2.315 sq mi
Land Area:27.282 sq mi
118th Congressional District:01
118th Congressional Land Area:2463.65 sq mi
Single Family Delivery Units:9,813
Multi Family Delivery Units:3,235
# Residential Mailboxes:15,389
# Business Mailboxes:1,187
Total Delivery Receptacles:16,520

ZIP Code 03820 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 6,025 6,025 0
Retired Workers: 4,215 4,215 0
Disabled Workers: 865 865 0
Widow(er)s and Parents: 305 305 0
Spouses: 200 200 0
Children: 440 440 0
65+: 4,555 4,555 0
Monthly Benefits - All: $8,587,000 $8,587,000 $0
Monthly Benefits - Retired Workers: $6,604,000 $6,604,000 $0
Monthly Benefits - Widow(ers): $443,000 $443,000 $0

ZIP Code 03820 Statistical Areas

CBSA: 14460
CBSA Name: Boston-Cambridge-Newton, MA-NH
CBSA Type: Metro
CBSA Division: 40484
CBSA Division Name: Rockingham County-Strafford County, NH
CBSA Population:4,552,402
CBSA Division Population:418,366
MSA: 1122
MSA Name: Boston-Worcester-Lawrence, MA-NH-ME-CT CMSA
PMSA: 6450
PMSA Name: Portsmouth-Rochester, NH-ME PMSA
City State Key:V25431
Preferred Last Line Key:V25431
03819: Previous ZIP Code
Next ZIP Code: 03821


  1. U.S. Postal Service [Last Updated: 3/1/2023],
  2. Internal Data Creation [Last Updated: 3/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 3/1/2023],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],