18040 vs 18015 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 18040, Orange = ZIP 18015.
Quick verdict: ZIP 18040 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 18015 is more affordable rent, more diverse.
Quick Facts
ZIP 18040
Chestnut Hill CDP, PA
View full profile →- Population17,183
- Median Income$108,994
- Median Home Value$348k
- Median Rent$1,213
- Median Age45.6 yrs
- Poverty Rate4.5%
ZIP 18015
Bethlehem city, PA
View full profile →- Population34,259
- Median Income$58,470
- Median Home Value$243k
- Median Rent$1,047
- Median Age31.5 yrs
- Poverty Rate15.3%
Visual comparison (same scale)
Population
17,18334,259
Median Income
$108,994$58,470
Median Home Value
$348k$243k
Median Rent
$1,213$1,047
Median Age
45.6 yrs31.5 yrs
Poverty Rate
4.5%15.3%
Demographics
ZIP 18040
Chestnut Hill CDP, PA
View full profile →- White %78.8%
- Black %7.4%
- Asian %7.8%
- Hispanic %8.9%
- Age 0–17 %18.6%
- Age 18–64 %60.8%
- Age 65+ %20.6%
- Bachelor's+ %41.3%
- Diversity Index36/100
ZIP 18015
Bethlehem city, PA
View full profile →- White %57.4%
- Black %10.7%
- Asian %4.5%
- Hispanic %29.4%
- Age 0–17 %17.9%
- Age 18–64 %68.6%
- Age 65+ %13.5%
- Bachelor's+ %30.7%
- Diversity Index57/100
Visual comparison (same scale)
White %
78.8%57.4%
Black %
7.4%10.7%
Asian %
7.8%4.5%
Hispanic %
8.9%29.4%
Age 0–17 %
18.6%17.9%
Age 18–64 %
60.8%68.6%
Age 65+ %
20.6%13.5%
Bachelor's+ %
41.3%30.7%
Diversity Index
36/10057/100
Economy
ZIP 18040
Chestnut Hill CDP, PA
View full profile →- Median Income$108,994
- Unemployment %4.0%
- IRS Net Migration+782
- Work From Home %14.6%
ZIP 18015
Bethlehem city, PA
View full profile →- Median Income$58,470
- Unemployment %9.1%
- IRS Net Migration+1,560
- Work From Home %13.1%
Visual comparison (same scale)
Median Income
$108,994$58,470
Unemployment %
4.0%9.1%
IRS Net Migration
+782+1,560
Work From Home %
14.6%13.1%
Housing
ZIP 18040
Chestnut Hill CDP, PA
View full profile →- Median Home Value$348k
- Median Rent$1,213
- Owner Occupied %90.7%
- Broadband %94.4%
- Vacant %4.3%
- Median Year Built1998
ZIP 18015
Bethlehem city, PA
View full profile →- Median Home Value$243k
- Median Rent$1,047
- Owner Occupied %50.0%
- Broadband %86.3%
- Vacant %7.7%
- Median Year Built1954
Visual comparison (same scale)
Median Home Value
$348k$243k
Median Rent
$1,213$1,047
Owner Occupied %
90.7%50.0%
Broadband %
94.4%86.3%
Vacant %
4.3%7.7%
Median Year Built
19981954
Climate & Location
ZIP 18040
Chestnut Hill CDP, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)232 ft
- Nearest Airport13.1 miles (21.1 km)
- Distance to Coast43.0 miles (69.3 km)
ZIP 18015
Bethlehem city, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)860 ft
- Nearest Airport6.0 miles (9.7 km)
- Distance to Coast39.7 miles (63.9 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
232 ft860 ft
Nearest Airport
13.1 miles (21.1 km)6.0 miles (9.7 km)
Distance to Coast
43.0 miles (69.3 km)39.7 miles (63.9 km)
Infrastructure
ZIP 18040
Chestnut Hill CDP, PA
View full profile →- Work From Home %14.6%
- Walkability (0–100)47
- Broadband %94.4%
ZIP 18015
Bethlehem city, PA
View full profile →- Work From Home %13.1%
- Walkability (0–100)72
- Broadband %86.3%
Visual comparison (same scale)
Work From Home %
14.6%13.1%
Walkability (0–100)
4772
Broadband %
94.4%86.3%
Frequently Asked Questions
How do ZIP 18040 and 18015 compare?
ZIP 18040 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 18015 is more affordable rent, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (18040), orange the second (18015). 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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