18017 vs 18020 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 18017, Orange = ZIP 18020.
Quick verdict: ZIP 18017 is more affordable rent, more diverse. ZIP 18020 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 18017
Bethlehem city, PA
View full profile →- Population40,463
- Median Income$88,946
- Median Home Value$311k
- Median Rent$1,358
- Median Age44.7 yrs
- Poverty Rate10.2%
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
40,46321,144
Median Income
$88,946$122,610
Median Home Value
$311k$349k
Median Rent
$1,358$1,372
Median Age
44.7 yrs42.3 yrs
Poverty Rate
10.2%6.2%
Demographics
ZIP 18017
Bethlehem city, PA
View full profile →- White %69.7%
- Black %5.6%
- Asian %3.6%
- Hispanic %24.5%
- Age 0–17 %21.1%
- Age 18–64 %53.9%
- Age 65+ %25.0%
- Bachelor's+ %39.9%
- Diversity Index45/100
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 %
69.7%75.8%
Black %
5.6%5.6%
Asian %
3.6%4.8%
Hispanic %
24.5%15.2%
Age 0–17 %
21.1%19.8%
Age 18–64 %
53.9%59.6%
Age 65+ %
25.0%20.6%
Bachelor's+ %
39.9%41.8%
Diversity Index
45/10040/100
Economy
ZIP 18017
Bethlehem city, PA
View full profile →- Median Income$88,946
- Unemployment %5.9%
- IRS Net Migration+1,842
- Work From Home %12.5%
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
$88,946$122,610
Unemployment %
5.9%3.5%
IRS Net Migration
+1,842+963
Work From Home %
12.5%14.0%
Housing
ZIP 18017
Bethlehem city, PA
View full profile →- Median Home Value$311k
- Median Rent$1,358
- Owner Occupied %67.4%
- Broadband %88.0%
- Vacant %2.4%
- Median Year Built1972
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
$311k$349k
Median Rent
$1,358$1,372
Owner Occupied %
67.4%85.4%
Broadband %
88.0%93.0%
Vacant %
2.4%3.0%
Median Year Built
19721986
Climate & Location
ZIP 18017
Bethlehem city, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)390 ft
- Nearest Airport3.0 miles (4.8 km)
- Distance to Coast43.9 miles (70.6 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
43.9 miles (70.6 km)42.3 miles (68.0 km)
Infrastructure
ZIP 18017
Bethlehem city, PA
View full profile →- Work From Home %12.5%
- Walkability (0–100)63
- Broadband %88.0%
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 %
12.5%14.0%
Walkability (0–100)
6363
Broadband %
88.0%93.0%
Frequently Asked Questions
How do ZIP 18017 and 18020 compare?
ZIP 18017 is more affordable rent, more diverse. ZIP 18020 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 (18017), 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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