03857 vs 03801 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 03857, Orange = ZIP 03801.
Quick verdict: ZIP 03857 is more affordable rent, lower poverty rate, lower unemployment. ZIP 03801 is wealthier, higher home values, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 03857
Newmarket CDP, NH
View full profile →- Population9,431
- Median Income$94,345
- Median Home Value$385k
- Median Rent$1,465
- Median Age39.3 yrs
- Poverty Rate4.3%
ZIP 03801
Portsmouth city, NH
View full profile →- Population23,231
- Median Income$106,520
- Median Home Value$648k
- Median Rent$1,658
- Median Age42.8 yrs
- Poverty Rate5.5%
Visual comparison (same scale)
Population
9,43123,231
Median Income
$94,345$106,520
Median Home Value
$385k$648k
Median Rent
$1,465$1,658
Median Age
39.3 yrs42.8 yrs
Poverty Rate
4.3%5.5%
Demographics
ZIP 03857
Newmarket CDP, NH
View full profile →- White %92.5%
- Black %0.7%
- Asian %1.8%
- Hispanic %1.8%
- Age 0–17 %16.3%
- Age 18–64 %67.0%
- Age 65+ %16.7%
- Bachelor's+ %49.7%
- Diversity Index14/100
ZIP 03801
Portsmouth city, NH
View full profile →- White %87.7%
- Black %1.0%
- Asian %3.8%
- Hispanic %3.4%
- Age 0–17 %14.8%
- Age 18–64 %64.0%
- Age 65+ %21.1%
- Bachelor's+ %63.4%
- Diversity Index23/100
Visual comparison (same scale)
White %
92.5%87.7%
Black %
0.7%1.0%
Asian %
1.8%3.8%
Hispanic %
1.8%3.4%
Age 0–17 %
16.3%14.8%
Age 18–64 %
67.0%64.0%
Age 65+ %
16.7%21.1%
Bachelor's+ %
49.7%63.4%
Diversity Index
14/10023/100
Economy
ZIP 03857
Newmarket CDP, NH
View full profile →- Median Income$94,345
- Unemployment %1.5%
- IRS Net Migration+443
- Work From Home %17.3%
ZIP 03801
Portsmouth city, NH
View full profile →- Median Income$106,520
- Unemployment %2.0%
- IRS Net Migration+1,090
- Work From Home %20.3%
Visual comparison (same scale)
Median Income
$94,345$106,520
Unemployment %
1.5%2.0%
IRS Net Migration
+443+1,090
Work From Home %
17.3%20.3%
Housing
ZIP 03857
Newmarket CDP, NH
View full profile →- Median Home Value$385k
- Median Rent$1,465
- Owner Occupied %52.4%
- Broadband %96.6%
- Vacant %2.9%
- Median Year Built1983
ZIP 03801
Portsmouth city, NH
View full profile →- Median Home Value$648k
- Median Rent$1,658
- Owner Occupied %53.1%
- Broadband %93.8%
- Vacant %4.8%
- Median Year Built1959
Visual comparison (same scale)
Median Home Value
$385k$648k
Median Rent
$1,465$1,658
Owner Occupied %
52.4%53.1%
Broadband %
96.6%93.8%
Vacant %
2.9%4.8%
Median Year Built
19831959
Climate & Location
ZIP 03857
Newmarket CDP, NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)63 ft
- Nearest Airport6.3 miles (10.1 km)
- Distance to Coast0.9 miles (1.5 km)
ZIP 03801
Portsmouth city, NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)95 ft
- Nearest Airport0.9 miles (1.5 km)
- Distance to Coast1.8 miles (2.8 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
63 ft95 ft
Nearest Airport
6.3 miles (10.1 km)0.9 miles (1.5 km)
Distance to Coast
0.9 miles (1.5 km)1.8 miles (2.8 km)
Infrastructure
ZIP 03857
Newmarket CDP, NH
View full profile →- Work From Home %17.3%
- Walkability (0–100)34
- Broadband %96.6%
ZIP 03801
Portsmouth city, NH
View full profile →- Work From Home %20.3%
- Walkability (0–100)49
- Broadband %93.8%
Visual comparison (same scale)
Work From Home %
17.3%20.3%
Walkability (0–100)
3449
Broadband %
96.6%93.8%
Frequently Asked Questions
How do ZIP 03857 and 03801 compare?
ZIP 03857 is more affordable rent, lower poverty rate, lower unemployment. ZIP 03801 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 (03857), orange the second (03801). 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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