18101 vs 18031 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 18101, Orange = ZIP 18031.
Quick verdict: ZIP 18101 is more affordable rent, more diverse. ZIP 18031 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 18101
Allentown city, PA
View full profile →- Population5,789
- Median Income$41,542
- Median Home Value$154k
- Median Rent$1,208
- Median Age30.3 yrs
- Poverty Rate25.8%
ZIP 18031
Breinigsville CDP, PA
View full profile →- Population12,031
- Median Income$107,807
- Median Home Value$359k
- Median Rent$1,682
- Median Age39.5 yrs
- Poverty Rate4.3%
Visual comparison (same scale)
Population
5,78912,031
Median Income
$41,542$107,807
Median Home Value
$154k$359k
Median Rent
$1,208$1,682
Median Age
30.3 yrs39.5 yrs
Poverty Rate
25.8%4.3%
Demographics
ZIP 18101
Allentown city, PA
View full profile →- White %29.4%
- Black %27.1%
- Asian %3.3%
- Hispanic %47.0%
- Age 0–17 %17.1%
- Age 18–64 %76.0%
- Age 65+ %6.8%
- Bachelor's+ %19.2%
- Diversity Index62/100
ZIP 18031
Breinigsville CDP, PA
View full profile →- White %63.0%
- Black %4.9%
- Asian %12.5%
- Hispanic %18.7%
- Age 0–17 %26.7%
- Age 18–64 %60.2%
- Age 65+ %13.1%
- Bachelor's+ %50.3%
- Diversity Index55/100
Visual comparison (same scale)
White %
29.4%63.0%
Black %
27.1%4.9%
Asian %
3.3%12.5%
Hispanic %
47.0%18.7%
Age 0–17 %
17.1%26.7%
Age 18–64 %
76.0%60.2%
Age 65+ %
6.8%13.1%
Bachelor's+ %
19.2%50.3%
Diversity Index
62/10055/100
Economy
ZIP 18101
Allentown city, PA
View full profile →- Median Income$41,542
- Unemployment %13.5%
- IRS Net Migration+264
- Work From Home %11.3%
ZIP 18031
Breinigsville CDP, PA
View full profile →- Median Income$107,807
- Unemployment %3.2%
- IRS Net Migration+548
- Work From Home %24.1%
Visual comparison (same scale)
Median Income
$41,542$107,807
Unemployment %
13.5%3.2%
IRS Net Migration
+264+548
Work From Home %
11.3%24.1%
Housing
ZIP 18101
Allentown city, PA
View full profile →- Median Home Value$154k
- Median Rent$1,208
- Owner Occupied %7.7%
- Broadband %82.3%
- Vacant %9.6%
- Median Year Built1955
ZIP 18031
Breinigsville CDP, PA
View full profile →- Median Home Value$359k
- Median Rent$1,682
- Owner Occupied %75.9%
- Broadband %98.1%
- Vacant %9.2%
- Median Year Built2002
Visual comparison (same scale)
Median Home Value
$154k$359k
Median Rent
$1,208$1,682
Owner Occupied %
7.7%75.9%
Broadband %
82.3%98.1%
Vacant %
9.6%9.2%
Median Year Built
19552002
Climate & Location
ZIP 18101
Allentown city, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)390 ft
- Nearest Airport3.7 miles (5.9 km)
- Distance to Coast44.6 miles (71.9 km)
ZIP 18031
Breinigsville CDP, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)550 ft
- Nearest Airport12.8 miles (20.6 km)
- Distance to Coast45.5 miles (73.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
390 ft550 ft
Nearest Airport
3.7 miles (5.9 km)12.8 miles (20.6 km)
Distance to Coast
44.6 miles (71.9 km)45.5 miles (73.2 km)
Infrastructure
ZIP 18101
Allentown city, PA
View full profile →- Work From Home %11.3%
- Walkability (0–100)88
- Broadband %82.3%
ZIP 18031
Breinigsville CDP, PA
View full profile →- Work From Home %24.1%
- Walkability (0–100)28
- Broadband %98.1%
Visual comparison (same scale)
Work From Home %
11.3%24.1%
Walkability (0–100)
8828
Broadband %
82.3%98.1%
Frequently Asked Questions
How do ZIP 18101 and 18031 compare?
ZIP 18101 is more affordable rent, more diverse. ZIP 18031 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 (18101), orange the second (18031). 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).
Continue exploring