03878 vs 03823 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 03878, Orange = ZIP 03823.
Quick verdict: ZIP 03878 is more diverse. ZIP 03823 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 03878
Somersworth city, NH
View full profile →- Population12,145
- Median Income$79,691
- Median Home Value$295k
- Median Rent$1,313
- Median Age38.3 yrs
- Poverty Rate11.5%
ZIP 03823
Dover city, NH
View full profile →- Population2,121
- Median Income$144,635
- Median Home Value$459k
- Median Rent$1,229
- Median Age38.5 yrs
- Poverty Rate5.3%
Visual comparison (same scale)
Population
12,1452,121
Median Income
$79,691$144,635
Median Home Value
$295k$459k
Median Rent
$1,313$1,229
Median Age
38.3 yrs38.5 yrs
Poverty Rate
11.5%5.3%
Demographics
ZIP 03878
Somersworth city, NH
View full profile →- White %83.8%
- Black %2.6%
- Asian %2.8%
- Hispanic %5.7%
- Age 0–17 %18.9%
- Age 18–64 %65.8%
- Age 65+ %15.3%
- Bachelor's+ %28.6%
- Diversity Index29/100
ZIP 03823
Dover city, NH
View full profile →- White %84.0%
- Black %3.2%
- Asian %2.4%
- Hispanic %1.4%
- Age 0–17 %28.6%
- Age 18–64 %57.6%
- Age 65+ %13.8%
- Bachelor's+ %54.6%
- Diversity Index28/100
Visual comparison (same scale)
White %
83.8%84.0%
Black %
2.6%3.2%
Asian %
2.8%2.4%
Hispanic %
5.7%1.4%
Age 0–17 %
18.9%28.6%
Age 18–64 %
65.8%57.6%
Age 65+ %
15.3%13.8%
Bachelor's+ %
28.6%54.6%
Diversity Index
29/10028/100
Economy
ZIP 03878
Somersworth city, NH
View full profile →- Median Income$79,691
- Unemployment %2.5%
- IRS Net Migration+570
- Work From Home %10.9%
ZIP 03823
Dover city, NH
View full profile →- Median Income$144,635
- Unemployment %2.0%
- IRS Net Migration+100
- Work From Home %13.7%
Visual comparison (same scale)
Median Income
$79,691$144,635
Unemployment %
2.5%2.0%
IRS Net Migration
+570+100
Work From Home %
10.9%13.7%
Housing
ZIP 03878
Somersworth city, NH
View full profile →- Median Home Value$295k
- Median Rent$1,313
- Owner Occupied %62.2%
- Broadband %90.5%
- Vacant %6.5%
- Median Year Built1970
ZIP 03823
Dover city, NH
View full profile →- Median Home Value$459k
- Median Rent$1,229
- Owner Occupied %80.4%
- Broadband %96.2%
- Vacant %4.3%
- Median Year Built1983
Visual comparison (same scale)
Median Home Value
$295k$459k
Median Rent
$1,313$1,229
Owner Occupied %
62.2%80.4%
Broadband %
90.5%96.2%
Vacant %
6.5%4.3%
Median Year Built
19701983
Climate & Location
ZIP 03878
Somersworth city, NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)323 ft
- Nearest Airport12.6 miles (20.2 km)
- Distance to Coast3.7 miles (6.0 km)
ZIP 03823
Dover city, NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)119 ft
- Nearest Airport8.9 miles (14.4 km)
- Distance to Coast3.1 miles (5.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
323 ft119 ft
Nearest Airport
12.6 miles (20.2 km)8.9 miles (14.4 km)
Distance to Coast
3.7 miles (6.0 km)3.1 miles (5.0 km)
Infrastructure
ZIP 03878
Somersworth city, NH
View full profile →- Work From Home %10.9%
- Walkability (0–100)37
- Broadband %90.5%
ZIP 03823
Dover city, NH
View full profile →- Work From Home %13.7%
- Walkability (0–100)33
- Broadband %96.2%
Visual comparison (same scale)
Work From Home %
10.9%13.7%
Walkability (0–100)
3733
Broadband %
90.5%96.2%
Frequently Asked Questions
How do ZIP 03878 and 03823 compare?
ZIP 03878 is more diverse. ZIP 03823 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (03878), orange the second (03823). 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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