03603 vs 03781 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 03603, Orange = ZIP 03781.
Quick verdict: ZIP 03603 is more affordable rent, more diverse. ZIP 03781 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 03603
Charlestown CDP, NH
View full profile →- Population5,272
- Median Income$55,266
- Median Home Value$182k
- Median Rent$1,050
- Median Age48.2 yrs
- Poverty Rate13.7%
ZIP 03781
Plainfield CDP, NH
View full profile →- Population1,917
- Median Income$104,700
- Median Home Value$390k
- Median Rent$1,648
- Median Age44.2 yrs
- Poverty Rate3.2%
Visual comparison (same scale)
Population
5,2721,917
Median Income
$55,266$104,700
Median Home Value
$182k$390k
Median Rent
$1,050$1,648
Median Age
48.2 yrs44.2 yrs
Poverty Rate
13.7%3.2%
Demographics
ZIP 03603
Charlestown CDP, NH
View full profile →- White %90.4%
- Black %0.3%
- Asian %2.2%
- Hispanic %0.4%
- Age 0–17 %19.3%
- Age 18–64 %55.4%
- Age 65+ %25.3%
- Bachelor's+ %18.6%
- Diversity Index18/100
ZIP 03781
Plainfield CDP, NH
View full profile →- White %92.3%
- Black %0.5%
- Asian %0.8%
- Hispanic %0.3%
- Age 0–17 %21.0%
- Age 18–64 %53.3%
- Age 65+ %25.7%
- Bachelor's+ %45.5%
- Diversity Index14/100
Visual comparison (same scale)
White %
90.4%92.3%
Black %
0.3%0.5%
Asian %
2.2%0.8%
Hispanic %
0.4%0.3%
Age 0–17 %
19.3%21.0%
Age 18–64 %
55.4%53.3%
Age 65+ %
25.3%25.7%
Bachelor's+ %
18.6%45.5%
Diversity Index
18/10014/100
Economy
ZIP 03603
Charlestown CDP, NH
View full profile →- Median Income$55,266
- Unemployment %2.1%
- IRS Net Migration+247
- Work From Home %8.6%
ZIP 03781
Plainfield CDP, NH
View full profile →- Median Income$104,700
- Unemployment %0.6%
- IRS Net Migration+90
- Work From Home %16.4%
Visual comparison (same scale)
Median Income
$55,266$104,700
Unemployment %
2.1%0.6%
IRS Net Migration
+247+90
Work From Home %
8.6%16.4%
Housing
ZIP 03603
Charlestown CDP, NH
View full profile →- Median Home Value$182k
- Median Rent$1,050
- Owner Occupied %75.6%
- Broadband %80.5%
- Vacant %12.1%
- Median Year Built1975
ZIP 03781
Plainfield CDP, NH
View full profile →- Median Home Value$390k
- Median Rent$1,648
- Owner Occupied %92.1%
- Broadband %91.9%
- Vacant %16.7%
- Median Year Built1978
Visual comparison (same scale)
Median Home Value
$182k$390k
Median Rent
$1,050$1,648
Owner Occupied %
75.6%92.1%
Broadband %
80.5%91.9%
Vacant %
12.1%16.7%
Median Year Built
19751978
Climate & Location
ZIP 03603
Charlestown CDP, NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)560 ft
- Nearest Airport24.7 miles (39.8 km)
- Distance to Coast72.2 miles (116.2 km)
ZIP 03781
Plainfield CDP, NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)570 ft
- Nearest Airport4.6 miles (7.4 km)
- Distance to Coast81.0 miles (130.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
560 ft570 ft
Nearest Airport
24.7 miles (39.8 km)4.6 miles (7.4 km)
Distance to Coast
72.2 miles (116.2 km)81.0 miles (130.4 km)
Infrastructure
ZIP 03603
Charlestown CDP, NH
View full profile →- Work From Home %8.6%
- Walkability (0–100)30
- Broadband %80.5%
ZIP 03781
Plainfield CDP, NH
View full profile →- Work From Home %16.4%
- Walkability (0–100)26
- Broadband %91.9%
Visual comparison (same scale)
Work From Home %
8.6%16.4%
Walkability (0–100)
3026
Broadband %
80.5%91.9%
Frequently Asked Questions
How do ZIP 03603 and 03781 compare?
ZIP 03603 is more affordable rent, more diverse. ZIP 03781 is wealthier, higher home values, 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 (03603), orange the second (03781). 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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