ZIP code
03820
Dover, NH
03820 covers Dover in Strafford County, with 33,150 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 03820. Methodology
ZIP code map of 03820
About ZIP code 03820
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 03820. Not ACS. Methodology
People in 03820
Race
- White28,133
- Black or African American555
- American Indian or Alaska Native65
- Asian1,803
- Native Hawaiian and Pacific Islander5
- Other race401
- Two or more races1,838
Hispanic or Latino (any race): 1,050
Age
- Under 103,150
- 10 to 193,364
- 20 to 295,439
- 30 to 395,341
- 40 to 493,838
- 50 to 594,202
- 60 to 693,663
- 70 to 792,351
- 80 and older1,452
Income and housing in 03820
Education
- High school graduate96.3%
- Bachelor's degree49.2%
- Graduate degree17.9%
Places covering 03820
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Dover99.8%
- Somersworth0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Strafford County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
0.2% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 03820
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 25,823 | |
| 2006 | 24,957 | |
| 2007 | 26,762 | |
| 2008 | 25,497 | |
| 2009 | 25,723 | |
| 2010 | 26,106 | |
| 2011 | 29,907 | 26,421 |
| 2012 | 30,041 | 27,360 |
| 2013 | 30,228 | 27,430 |
| 2014 | 30,352 | 27,560 |
| 2015 | 30,560 | 27,910 |
| 2016 | 30,762 | 27,740 |
| 2017 | 30,938 | 27,790 |
| 2018 | 31,367 | 27,980 |
| 2019 | 31,629 | 27,950 |
| 2020 | 32,046 | 28,750 |
| 2021 | 32,676 | 27,950 |
| 2022 | 32,925 | 28,400 |
| 2023 | 33,150 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 03820
12 nearest ZIP centroids (any distance)
- 03823Madbury3.0 miPop 2,121 · Income $144,635
- 03869Rollinsford3.1 miPop 2,452 · Income $82,983
- 03805Newington4.4 miPop — · Income —
- 03878Somersworth4.6 miPop 12,145 · Income $79,691
- 03824Durham5.1 miPop 15,054 · Income $126,658
- 03903Eliot6.2 miPop 6,978 · Income $100,472
- 03908South Berwick7.3 miPop 7,384 · Income $97,927
- 03839Rochester7.7 miPop 4,150 · Income $86,932
- 03861Lee7.8 miPop 4,558 · Income $140,321
- 03901Berwick8.1 miPop 8,094 · Income $77,790
- 03825Barrington8.1 miPop 9,420 · Income $99,706
- 03857Newmarket8.6 miPop 9,431 · Income $94,345
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 03820, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 03820 FAQ
- What city is ZIP code 03820 in?
- 03820 is in Dover, NH.
- What county is 03820 in?
- 03820 is in Strafford County.
- What is the median household income in 03820?
- The median household income in 03820 is $92,793.
- Which ZIP codes are near 03820?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 03820.