03870 vs 03840 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 03870, Orange = ZIP 03840.
Quick verdict: ZIP 03870 is higher home values, more affordable rent, more educated. ZIP 03840 is wealthier, lower poverty rate, lower unemployment, more diverse, higher work-from-home share.
Quick Facts
ZIP 03870
NH
View full profile →- Population5,092
- Median Income$127,772
- Median Home Value$928k
- Median Rent$1,201
- Median Age53.5 yrs
- Poverty Rate6.8%
ZIP 03840
NH
View full profile →- Population4,070
- Median Income$147,132
- Median Home Value$595k
- Median Rent$1,653
- Median Age50.4 yrs
- Poverty Rate0.4%
Visual comparison (same scale)
Population
5,0924,070
Median Income
$127,772$147,132
Median Home Value
$928k$595k
Median Rent
$1,201$1,653
Median Age
53.5 yrs50.4 yrs
Poverty Rate
6.8%0.4%
Demographics
ZIP 03870
NH
View full profile →- White %97.9%
- Black %0.0%
- Asian %0.4%
- Hispanic %0.2%
- Age 0–17 %17.9%
- Age 18–64 %52.6%
- Age 65+ %29.5%
- Bachelor's+ %57.9%
- Diversity Index4/100
ZIP 03840
NH
View full profile →- White %92.8%
- Black %3.0%
- Asian %2.4%
- Hispanic %1.7%
- Age 0–17 %19.2%
- Age 18–64 %56.2%
- Age 65+ %24.6%
- Bachelor's+ %52.9%
- Diversity Index14/100
Visual comparison (same scale)
White %
97.9%92.8%
Black %
0.0%3.0%
Asian %
0.4%2.4%
Hispanic %
0.2%1.7%
Age 0–17 %
17.9%19.2%
Age 18–64 %
52.6%56.2%
Age 65+ %
29.5%24.6%
Bachelor's+ %
57.9%52.9%
Diversity Index
4/10014/100
Economy
ZIP 03870
NH
View full profile →- Median Income$127,772
- Unemployment %3.0%
- IRS Net Migration+239
- Work From Home %23.6%
ZIP 03840
NH
View full profile →- Median Income$147,132
- Unemployment %0.0%
- IRS Net Migration+191
- Work From Home %25.4%
Visual comparison (same scale)
Median Income
$127,772$147,132
Unemployment %
3.0%0.0%
IRS Net Migration
+239+191
Work From Home %
23.6%25.4%
Housing
ZIP 03870
NH
View full profile →- Median Home Value$928k
- Median Rent$1,201
- Owner Occupied %80.5%
- Broadband %97.5%
- Vacant %18.2%
- Median Year Built1971
ZIP 03840
NH
View full profile →- Median Home Value$595k
- Median Rent$1,653
- Owner Occupied %87.4%
- Broadband %96.1%
- Vacant %4.0%
- Median Year Built1985
Visual comparison (same scale)
Median Home Value
$928k$595k
Median Rent
$1,201$1,653
Owner Occupied %
80.5%87.4%
Broadband %
97.5%96.1%
Vacant %
18.2%4.0%
Median Year Built
19711985
Climate & Location
ZIP 03870
NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)95 ft
- Nearest Airport5.8 miles (9.3 km)
- Distance to Coast2.8 miles (4.6 km)
ZIP 03840
NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)95 ft
- Nearest Airport2.9 miles (4.6 km)
- Distance to Coast0.0 miles (0.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
95 ft95 ft
Nearest Airport
5.8 miles (9.3 km)2.9 miles (4.6 km)
Distance to Coast
2.8 miles (4.6 km)0.0 miles (0.0 km)
Infrastructure
Visual comparison (same scale)
Work From Home %
23.6%25.4%
Walkability (0–100)
3640
Broadband %
97.5%96.1%
Frequently Asked Questions
How do ZIP 03870 and 03840 compare?
ZIP 03870 is higher home values, more affordable rent, more educated. ZIP 03840 is wealthier, lower poverty rate, lower unemployment, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (03870), orange the second (03840). 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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