03865 vs 03857 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 03865, Orange = ZIP 03857.
Quick verdict: ZIP 03865 is wealthier, more affordable rent, more diverse. ZIP 03857 is higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 03865
NH
View full profile →- Population7,850
- Median Income$109,040
- Median Home Value$382k
- Median Rent$1,370
- Median Age42.1 yrs
- Poverty Rate5.0%
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%
Visual comparison (same scale)
Population
7,8509,431
Median Income
$109,040$94,345
Median Home Value
$382k$385k
Median Rent
$1,370$1,465
Median Age
42.1 yrs39.3 yrs
Poverty Rate
5.0%4.3%
Demographics
ZIP 03865
NH
View full profile →- White %86.0%
- Black %0.9%
- Asian %0.3%
- Hispanic %7.1%
- Age 0–17 %20.1%
- Age 18–64 %62.8%
- Age 65+ %17.1%
- Bachelor's+ %36.0%
- Diversity Index25/100
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
Visual comparison (same scale)
White %
86.0%92.5%
Black %
0.9%0.7%
Asian %
0.3%1.8%
Hispanic %
7.1%1.8%
Age 0–17 %
20.1%16.3%
Age 18–64 %
62.8%67.0%
Age 65+ %
17.1%16.7%
Bachelor's+ %
36.0%49.7%
Diversity Index
25/10014/100
Economy
ZIP 03865
NH
View full profile →- Median Income$109,040
- Unemployment %3.0%
- IRS Net Migration+368
- Work From Home %11.9%
ZIP 03857
Newmarket CDP, NH
View full profile →- Median Income$94,345
- Unemployment %1.5%
- IRS Net Migration+443
- Work From Home %17.3%
Visual comparison (same scale)
Median Income
$109,040$94,345
Unemployment %
3.0%1.5%
IRS Net Migration
+368+443
Work From Home %
11.9%17.3%
Housing
ZIP 03865
NH
View full profile →- Median Home Value$382k
- Median Rent$1,370
- Owner Occupied %82.5%
- Broadband %92.3%
- Vacant %0.0%
- Median Year Built1978
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
Visual comparison (same scale)
Median Home Value
$382k$385k
Median Rent
$1,370$1,465
Owner Occupied %
82.5%52.4%
Broadband %
92.3%96.6%
Vacant %
0.0%2.9%
Median Year Built
19781983
Climate & Location
ZIP 03865
NH
View full profile →- Snow Days/Year0 days
- Elevation (ft)20 ft
- Nearest Airport9.0 miles (14.5 km)
- Distance to Coast5.0 miles (8.0 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
20 ft63 ft
Nearest Airport
9.0 miles (14.5 km)6.3 miles (10.1 km)
Distance to Coast
5.0 miles (8.0 km)0.9 miles (1.5 km)
Infrastructure
ZIP 03857
Newmarket CDP, NH
View full profile →- Work From Home %17.3%
- Walkability (0–100)34
- Broadband %96.6%
Visual comparison (same scale)
Work From Home %
11.9%17.3%
Walkability (0–100)
3334
Broadband %
92.3%96.6%
Frequently Asked Questions
How do ZIP 03865 and 03857 compare?
ZIP 03865 is wealthier, more affordable rent, more diverse. ZIP 03857 is 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 (03865), orange the second (03857). 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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