51578 vs 51527 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 51578, Orange = ZIP 51527.
Quick verdict: ZIP 51578 is wealthier, lower poverty rate, lower unemployment. ZIP 51527 is higher home values, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 51578
Westphalia city, IA
View full profile →- Population150
- Median Income$108,646
- Median Home Value$95k
- Median Rent$575
- Median Age58.9 yrs
- Poverty Rate4.7%
ZIP 51527
Defiance city, IA
View full profile →- Population346
- Median Income$63,155
- Median Home Value$115k
- Median Rent—
- Median Age59.0 yrs
- Poverty Rate9.5%
Visual comparison (same scale)
Population
150346
Median Income
$108,646$63,155
Median Home Value
$95k$115k
Median Rent
$575—
Median Age
58.9 yrs59.0 yrs
Poverty Rate
4.7%9.5%
Demographics
ZIP 51578
Westphalia city, IA
View full profile →- White %100.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %9.3%
- Age 18–64 %63.3%
- Age 65+ %27.3%
- Bachelor's+ %8.9%
- Diversity Index0/100
ZIP 51527
Defiance city, IA
View full profile →- White %94.5%
- Black %0.0%
- Asian %0.0%
- Hispanic %7.2%
- Age 0–17 %19.4%
- Age 18–64 %39.3%
- Age 65+ %41.3%
- Bachelor's+ %16.3%
- Diversity Index10/100
Visual comparison (same scale)
White %
100.0%94.5%
Black %
0.0%0.0%
Asian %
0.0%0.0%
Hispanic %
0.0%7.2%
Age 0–17 %
9.3%19.4%
Age 18–64 %
63.3%39.3%
Age 65+ %
27.3%41.3%
Bachelor's+ %
8.9%16.3%
Diversity Index
0/10010/100
Economy
ZIP 51578
Westphalia city, IA
View full profile →- Median Income$108,646
- Unemployment %0.0%
- IRS Net Migration+9
- Work From Home %1.9%
- Mean Commute (min)102 min
ZIP 51527
Defiance city, IA
View full profile →- Median Income$63,155
- Unemployment %1.1%
- IRS Net Migration+20
- Work From Home %15.3%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$108,646$63,155
Unemployment %
0.0%1.1%
IRS Net Migration
+9+20
Work From Home %
1.9%15.3%
Mean Commute (min)
102 min—
Housing
ZIP 51578
Westphalia city, IA
View full profile →- Median Home Value$95k
- Median Rent$575
- Owner Occupied %84.6%
- Broadband %87.7%
- Vacant %11.0%
- Median Year Built1938
ZIP 51527
Defiance city, IA
View full profile →- Median Home Value$115k
- Median Rent—
- Owner Occupied %90.6%
- Broadband %86.2%
- Vacant %3.6%
- Median Year Built1955
Visual comparison (same scale)
Median Home Value
$95k$115k
Median Rent
$575—
Owner Occupied %
84.6%90.6%
Broadband %
87.7%86.2%
Vacant %
11.0%3.6%
Median Year Built
19381955
Climate & Location
ZIP 51578
Westphalia city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,270 ft
- Nearest Airport38.7 miles (62.2 km)
- Distance to Coast377.6 miles (607.6 km)
ZIP 51527
Defiance city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,270 ft
- Nearest Airport46.8 miles (75.3 km)
- Distance to Coast371.3 miles (597.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,270 ft1,270 ft
Nearest Airport
38.7 miles (62.2 km)46.8 miles (75.3 km)
Distance to Coast
377.6 miles (607.6 km)371.3 miles (597.5 km)
Infrastructure
ZIP 51578
Westphalia city, IA
View full profile →- Mean Commute (min)102 min
- Work From Home %1.9%
- Walkability (0–100)20
- Broadband %87.7%
ZIP 51527
Defiance city, IA
View full profile →- Mean Commute (min)—
- Work From Home %15.3%
- Walkability (0–100)26
- Broadband %86.2%
Visual comparison (same scale)
Mean Commute (min)
102 min—
Work From Home %
1.9%15.3%
Walkability (0–100)
2026
Broadband %
87.7%86.2%
Frequently Asked Questions
How do ZIP 51578 and 51527 compare?
ZIP 51578 is wealthier, lower poverty rate, lower unemployment. ZIP 51527 is higher home values, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (51578), orange the second (51527). 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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