18018 vs 18020 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 18018, Orange = ZIP 18020.
Quick verdict: ZIP 18018 is more affordable rent, more diverse, higher work-from-home share. ZIP 18020 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
Quick Facts
ZIP 18018
Bethlehem city, PA
View full profile →- Population32,253
- Median Income$71,968
- Median Home Value$224k
- Median Rent$1,150
- Median Age39.5 yrs
- Poverty Rate15.9%
ZIP 18020
Middletown CDP, PA
View full profile →- Population21,144
- Median Income$122,610
- Median Home Value$349k
- Median Rent$1,372
- Median Age42.3 yrs
- Poverty Rate6.2%
Visual comparison (same scale)
Population
32,25321,144
Median Income
$71,968$122,610
Median Home Value
$224k$349k
Median Rent
$1,150$1,372
Median Age
39.5 yrs42.3 yrs
Poverty Rate
15.9%6.2%
Demographics
ZIP 18018
Bethlehem city, PA
View full profile →- White %72.5%
- Black %6.3%
- Asian %1.7%
- Hispanic %23.9%
- Age 0–17 %15.5%
- Age 18–64 %65.4%
- Age 65+ %19.1%
- Bachelor's+ %37.1%
- Diversity Index41/100
ZIP 18020
Middletown CDP, PA
View full profile →- White %75.8%
- Black %5.6%
- Asian %4.8%
- Hispanic %15.2%
- Age 0–17 %19.8%
- Age 18–64 %59.6%
- Age 65+ %20.6%
- Bachelor's+ %41.8%
- Diversity Index40/100
Visual comparison (same scale)
White %
72.5%75.8%
Black %
6.3%5.6%
Asian %
1.7%4.8%
Hispanic %
23.9%15.2%
Age 0–17 %
15.5%19.8%
Age 18–64 %
65.4%59.6%
Age 65+ %
19.1%20.6%
Bachelor's+ %
37.1%41.8%
Diversity Index
41/10040/100
Economy
ZIP 18018
Bethlehem city, PA
View full profile →- Median Income$71,968
- Unemployment %5.4%
- IRS Net Migration+1,469
- Work From Home %15.6%
ZIP 18020
Middletown CDP, PA
View full profile →- Median Income$122,610
- Unemployment %3.5%
- IRS Net Migration+963
- Work From Home %14.0%
Visual comparison (same scale)
Median Income
$71,968$122,610
Unemployment %
5.4%3.5%
IRS Net Migration
+1,469+963
Work From Home %
15.6%14.0%
Housing
ZIP 18018
Bethlehem city, PA
View full profile →- Median Home Value$224k
- Median Rent$1,150
- Owner Occupied %54.2%
- Broadband %89.2%
- Vacant %4.0%
- Median Year Built1952
ZIP 18020
Middletown CDP, PA
View full profile →- Median Home Value$349k
- Median Rent$1,372
- Owner Occupied %85.4%
- Broadband %93.0%
- Vacant %3.0%
- Median Year Built1986
Visual comparison (same scale)
Median Home Value
$224k$349k
Median Rent
$1,150$1,372
Owner Occupied %
54.2%85.4%
Broadband %
89.2%93.0%
Vacant %
4.0%3.0%
Median Year Built
19521986
Climate & Location
ZIP 18018
Bethlehem city, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)390 ft
- Nearest Airport3.0 miles (4.8 km)
- Distance to Coast42.7 miles (68.7 km)
ZIP 18020
Middletown CDP, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)390 ft
- Nearest Airport6.2 miles (10.0 km)
- Distance to Coast42.3 miles (68.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
390 ft390 ft
Nearest Airport
3.0 miles (4.8 km)6.2 miles (10.0 km)
Distance to Coast
42.7 miles (68.7 km)42.3 miles (68.0 km)
Infrastructure
ZIP 18018
Bethlehem city, PA
View full profile →- Work From Home %15.6%
- Walkability (0–100)75
- Broadband %89.2%
ZIP 18020
Middletown CDP, PA
View full profile →- Work From Home %14.0%
- Walkability (0–100)63
- Broadband %93.0%
Visual comparison (same scale)
Work From Home %
15.6%14.0%
Walkability (0–100)
7563
Broadband %
89.2%93.0%
Frequently Asked Questions
How do ZIP 18018 and 18020 compare?
ZIP 18018 is more affordable rent, more diverse, higher work-from-home share. ZIP 18020 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (18018), orange the second (18020). 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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