50136 vs 52231 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 50136, Orange = ZIP 52231.
Quick verdict: ZIP 52231 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 50136
Keswick city, IA
View full profile →- Population411
- Median Income$66,125
- Median Home Value$105k
- Median Rent$443
- Median Age48.1 yrs
- Poverty Rate5.8%
ZIP 52231
Harper city, IA
View full profile →- Population497
- Median Income$69,545
- Median Home Value$229k
- Median Rent$430
- Median Age39.5 yrs
- Poverty Rate1.8%
Visual comparison (same scale)
Population
411497
Median Income
$66,125$69,545
Median Home Value
$105k$229k
Median Rent
$443$430
Median Age
48.1 yrs39.5 yrs
Poverty Rate
5.8%1.8%
Demographics
ZIP 50136
Keswick city, IA
View full profile →- White %97.8%
- Black %0.0%
- Asian %0.0%
- Hispanic %2.2%
- Age 0–17 %19.5%
- Age 18–64 %52.5%
- Age 65+ %28.0%
- Bachelor's+ %16.1%
- Diversity Index4/100
ZIP 52231
Harper city, IA
View full profile →- White %88.3%
- Black %0.0%
- Asian %0.0%
- Hispanic %10.1%
- Age 0–17 %33.6%
- Age 18–64 %47.5%
- Age 65+ %18.9%
- Bachelor's+ %16.1%
- Diversity Index21/100
Visual comparison (same scale)
White %
97.8%88.3%
Black %
0.0%0.0%
Asian %
0.0%0.0%
Hispanic %
2.2%10.1%
Age 0–17 %
19.5%33.6%
Age 18–64 %
52.5%47.5%
Age 65+ %
28.0%18.9%
Bachelor's+ %
16.1%16.1%
Diversity Index
4/10021/100
Economy
ZIP 50136
Keswick city, IA
View full profile →- Median Income$66,125
- Unemployment %4.9%
- IRS Net Migration+24
- Work From Home %3.2%
ZIP 52231
Harper city, IA
View full profile →- Median Income$69,545
- Unemployment %2.5%
- IRS Net Migration+29
- Work From Home %4.7%
Visual comparison (same scale)
Median Income
$66,125$69,545
Unemployment %
4.9%2.5%
IRS Net Migration
+24+29
Work From Home %
3.2%4.7%
Housing
ZIP 50136
Keswick city, IA
View full profile →- Median Home Value$105k
- Median Rent$443
- Owner Occupied %81.5%
- Broadband %84.1%
- Vacant %19.5%
- Median Year Built1938
ZIP 52231
Harper city, IA
View full profile →- Median Home Value$229k
- Median Rent$430
- Owner Occupied %87.2%
- Broadband %60.2%
- Vacant %0.0%
- Median Year Built1938
Visual comparison (same scale)
Median Home Value
$105k$229k
Median Rent
$443$430
Owner Occupied %
81.5%87.2%
Broadband %
84.1%60.2%
Vacant %
19.5%0.0%
Median Year Built
19381938
Climate & Location
ZIP 50136
Keswick city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)732 ft
- Nearest Airport26.4 miles (42.5 km)
- Distance to Coast217.9 miles (350.6 km)
ZIP 52231
Harper city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)732 ft
- Nearest Airport26.8 miles (43.1 km)
- Distance to Coast206.3 miles (332.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
732 ft732 ft
Nearest Airport
26.4 miles (42.5 km)26.8 miles (43.1 km)
Distance to Coast
217.9 miles (350.6 km)206.3 miles (332.0 km)
Infrastructure
ZIP 50136
Keswick city, IA
View full profile →- Work From Home %3.2%
- Walkability (0–100)20
- Broadband %84.1%
ZIP 52231
Harper city, IA
View full profile →- Work From Home %4.7%
- Walkability (0–100)23
- Broadband %60.2%
Visual comparison (same scale)
Work From Home %
3.2%4.7%
Walkability (0–100)
2023
Broadband %
84.1%60.2%
Frequently Asked Questions
How do ZIP 50136 and 52231 compare?
ZIP 52231 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (50136), orange the second (52231). 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