03901 vs 03820 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 03901, Orange = ZIP 03820.
Quick verdict: ZIP 03901 is more affordable rent, lower poverty rate, lower unemployment. ZIP 03820 is wealthier, higher home values, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 03901
Berwick CDP, ME
View full profile →- Population8,094
- Median Income$77,790
- Median Home Value$331k
- Median Rent$1,078
- Median Age40.4 yrs
- Poverty Rate3.8%
ZIP 03820
Dover city, NH
View full profile →- Population33,150
- Median Income$92,793
- Median Home Value$398k
- Median Rent$1,405
- Median Age37.6 yrs
- Poverty Rate8.1%
Visual comparison (same scale)
Population
8,09433,150
Median Income
$77,790$92,793
Median Home Value
$331k$398k
Median Rent
$1,078$1,405
Median Age
40.4 yrs37.6 yrs
Poverty Rate
3.8%8.1%
Demographics
ZIP 03901
Berwick CDP, ME
View full profile →- White %93.6%
- Black %0.7%
- Asian %1.6%
- Hispanic %2.3%
- Age 0–17 %24.7%
- Age 18–64 %57.2%
- Age 65+ %18.1%
- Bachelor's+ %35.0%
- Diversity Index12/100
ZIP 03820
Dover city, NH
View full profile →- White %87.4%
- Black %1.3%
- Asian %3.3%
- Hispanic %3.7%
- Age 0–17 %16.8%
- Age 18–64 %66.1%
- Age 65+ %17.2%
- Bachelor's+ %49.2%
- Diversity Index23/100
Visual comparison (same scale)
White %
93.6%87.4%
Black %
0.7%1.3%
Asian %
1.6%3.3%
Hispanic %
2.3%3.7%
Age 0–17 %
24.7%16.8%
Age 18–64 %
57.2%66.1%
Age 65+ %
18.1%17.2%
Bachelor's+ %
35.0%49.2%
Diversity Index
12/10023/100
Economy
ZIP 03901
Berwick CDP, ME
View full profile →- Median Income$77,790
- Unemployment %3.5%
- IRS Net Migration+367
- Work From Home %13.0%
ZIP 03820
Dover city, NH
View full profile →- Median Income$92,793
- Unemployment %4.2%
- IRS Net Migration+1,555
- Work From Home %17.6%
Visual comparison (same scale)
Median Income
$77,790$92,793
Unemployment %
3.5%4.2%
IRS Net Migration
+367+1,555
Work From Home %
13.0%17.6%
Housing
ZIP 03901
Berwick CDP, ME
View full profile →- Median Home Value$331k
- Median Rent$1,078
- Owner Occupied %86.8%
- Broadband %92.2%
- Vacant %3.3%
- Median Year Built1990
ZIP 03820
Dover city, NH
View full profile →- Median Home Value$398k
- Median Rent$1,405
- Owner Occupied %51.4%
- Broadband %93.6%
- Vacant %2.8%
- Median Year Built1975
Visual comparison (same scale)
Median Home Value
$331k$398k
Median Rent
$1,078$1,405
Owner Occupied %
86.8%51.4%
Broadband %
92.2%93.6%
Vacant %
3.3%2.8%
Median Year Built
19901975
Climate & Location
ZIP 03901
Berwick CDP, ME
View full profile →- Snow Days/Year0 days
- Elevation (ft)323 ft
- Nearest Airport15.3 miles (24.7 km)
- Distance to Coast6.9 miles (11.0 km)
ZIP 03820
Dover city, NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)119 ft
- Nearest Airport8.4 miles (13.6 km)
- Distance to Coast0.7 miles (1.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
323 ft119 ft
Nearest Airport
15.3 miles (24.7 km)8.4 miles (13.6 km)
Distance to Coast
6.9 miles (11.0 km)0.7 miles (1.1 km)
Infrastructure
ZIP 03901
Berwick CDP, ME
View full profile →- Work From Home %13.0%
- Walkability (0–100)25
- Broadband %92.2%
ZIP 03820
Dover city, NH
View full profile →- Work From Home %17.6%
- Walkability (0–100)44
- Broadband %93.6%
Visual comparison (same scale)
Work From Home %
13.0%17.6%
Walkability (0–100)
2544
Broadband %
92.2%93.6%
Frequently Asked Questions
How do ZIP 03901 and 03820 compare?
ZIP 03901 is more affordable rent, lower poverty rate, lower unemployment. ZIP 03820 is wealthier, higher home values, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (03901), orange the second (03820). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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