18603 vs 18631 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 18603, Orange = ZIP 18631.
Quick verdict: ZIP 18603 is wealthier, more diverse. ZIP 18631 is higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 18603
Berwick borough, PA
View full profile →- Population18,985
- Median Income$55,969
- Median Home Value$165k
- Median Rent$634
- Median Age47.0 yrs
- Poverty Rate16.6%
ZIP 18631
Mifflinville CDP, PA
View full profile →- Population1,109
- Median Income$49,643
- Median Home Value$215k
- Median Rent—
- Median Age48.3 yrs
- Poverty Rate11.0%
Visual comparison (same scale)
Population
18,9851,109
Median Income
$55,969$49,643
Median Home Value
$165k$215k
Median Rent
$634—
Median Age
47.0 yrs48.3 yrs
Poverty Rate
16.6%11.0%
Demographics
ZIP 18603
Berwick borough, PA
View full profile →- White %92.5%
- Black %2.9%
- Asian %0.2%
- Hispanic %4.5%
- Age 0–17 %17.6%
- Age 18–64 %60.8%
- Age 65+ %21.6%
- Bachelor's+ %18.3%
- Diversity Index14/100
ZIP 18631
Mifflinville CDP, PA
View full profile →- White %97.4%
- Black %0.9%
- Asian %0.0%
- Hispanic %1.7%
- Age 0–17 %17.6%
- Age 18–64 %56.4%
- Age 65+ %26.1%
- Bachelor's+ %28.5%
- Diversity Index5/100
Visual comparison (same scale)
White %
92.5%97.4%
Black %
2.9%0.9%
Asian %
0.2%0.0%
Hispanic %
4.5%1.7%
Age 0–17 %
17.6%17.6%
Age 18–64 %
60.8%56.4%
Age 65+ %
21.6%26.1%
Bachelor's+ %
18.3%28.5%
Diversity Index
14/1005/100
Economy
ZIP 18603
Berwick borough, PA
View full profile →- Median Income$55,969
- Unemployment %4.8%
- IRS Net Migration+864
- Work From Home %9.4%
ZIP 18631
Mifflinville CDP, PA
View full profile →- Median Income$49,643
- Unemployment %0.0%
- IRS Net Migration+50
- Work From Home %13.7%
Visual comparison (same scale)
Median Income
$55,969$49,643
Unemployment %
4.8%0.0%
IRS Net Migration
+864+50
Work From Home %
9.4%13.7%
Housing
ZIP 18603
Berwick borough, PA
View full profile →- Median Home Value$165k
- Median Rent$634
- Owner Occupied %72.4%
- Broadband %87.5%
- Vacant %9.7%
- Median Year Built1963
ZIP 18631
Mifflinville CDP, PA
View full profile →- Median Home Value$215k
- Median Rent—
- Owner Occupied %86.5%
- Broadband %68.4%
- Vacant %8.1%
- Median Year Built1967
Visual comparison (same scale)
Median Home Value
$165k$215k
Median Rent
$634—
Owner Occupied %
72.4%86.5%
Broadband %
87.5%68.4%
Vacant %
9.7%8.1%
Median Year Built
19631967
Climate & Location
ZIP 18603
Berwick borough, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,095 ft
- Nearest Airport32.4 miles (52.1 km)
- Distance to Coast95.7 miles (154.1 km)
ZIP 18631
Mifflinville CDP, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,095 ft
- Nearest Airport35.4 miles (56.9 km)
- Distance to Coast94.9 miles (152.7 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,095 ft1,095 ft
Nearest Airport
32.4 miles (52.1 km)35.4 miles (56.9 km)
Distance to Coast
95.7 miles (154.1 km)94.9 miles (152.7 km)
Infrastructure
ZIP 18603
Berwick borough, PA
View full profile →- Work From Home %9.4%
- Walkability (0–100)37
- Broadband %87.5%
ZIP 18631
Mifflinville CDP, PA
View full profile →- Work From Home %13.7%
- Walkability (0–100)33
- Broadband %68.4%
Visual comparison (same scale)
Work From Home %
9.4%13.7%
Walkability (0–100)
3733
Broadband %
87.5%68.4%
Frequently Asked Questions
How do ZIP 18603 and 18631 compare?
ZIP 18603 is wealthier, more diverse. ZIP 18631 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 (18603), orange the second (18631). 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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