51031 vs 51003 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 51031, Orange = ZIP 51003.
Quick verdict: ZIP 51031 is lower unemployment, more diverse. ZIP 51003 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated, higher work-from-home share.
Quick Facts
ZIP 51031
Le Mars city, IA
View full profile →- Population12,785
- Median Income$74,978
- Median Home Value$209k
- Median Rent$721
- Median Age39.0 yrs
- Poverty Rate8.1%
ZIP 51003
Alton city, IA
View full profile →- Population1,815
- Median Income$85,909
- Median Home Value$226k
- Median Rent$629
- Median Age34.7 yrs
- Poverty Rate2.2%
Visual comparison (same scale)
Population
12,7851,815
Median Income
$74,978$85,909
Median Home Value
$209k$226k
Median Rent
$721$629
Median Age
39.0 yrs34.7 yrs
Poverty Rate
8.1%2.2%
Demographics
ZIP 51031
Le Mars city, IA
View full profile →- White %87.4%
- Black %4.5%
- Asian %0.1%
- Hispanic %9.1%
- Age 0–17 %26.1%
- Age 18–64 %56.9%
- Age 65+ %17.0%
- Bachelor's+ %24.8%
- Diversity Index23/100
ZIP 51003
Alton city, IA
View full profile →- White %94.2%
- Black %2.0%
- Asian %0.7%
- Hispanic %7.9%
- Age 0–17 %24.9%
- Age 18–64 %58.9%
- Age 65+ %16.2%
- Bachelor's+ %26.6%
- Diversity Index11/100
Visual comparison (same scale)
White %
87.4%94.2%
Black %
4.5%2.0%
Asian %
0.1%0.7%
Hispanic %
9.1%7.9%
Age 0–17 %
26.1%24.9%
Age 18–64 %
56.9%58.9%
Age 65+ %
17.0%16.2%
Bachelor's+ %
24.8%26.6%
Diversity Index
23/10011/100
Economy
ZIP 51031
Le Mars city, IA
View full profile →- Median Income$74,978
- Unemployment %1.5%
- IRS Net Migration+733
- Work From Home %4.7%
ZIP 51003
Alton city, IA
View full profile →- Median Income$85,909
- Unemployment %1.8%
- IRS Net Migration+104
- Work From Home %5.2%
Visual comparison (same scale)
Median Income
$74,978$85,909
Unemployment %
1.5%1.8%
IRS Net Migration
+733+104
Work From Home %
4.7%5.2%
Housing
ZIP 51031
Le Mars city, IA
View full profile →- Median Home Value$209k
- Median Rent$721
- Owner Occupied %65.8%
- Broadband %89.5%
- Vacant %4.2%
- Median Year Built1973
ZIP 51003
Alton city, IA
View full profile →- Median Home Value$226k
- Median Rent$629
- Owner Occupied %88.0%
- Broadband %87.7%
- Vacant %7.1%
- Median Year Built1970
Visual comparison (same scale)
Median Home Value
$209k$226k
Median Rent
$721$629
Owner Occupied %
65.8%88.0%
Broadband %
89.5%87.7%
Vacant %
4.2%7.1%
Median Year Built
19731970
Climate & Location
ZIP 51031
Le Mars city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,195 ft
- Nearest Airport29.5 miles (47.4 km)
- Distance to Coast336.1 miles (541.0 km)
ZIP 51003
Alton city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,360 ft
- Nearest Airport45.6 miles (73.4 km)
- Distance to Coast319.6 miles (514.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,195 ft1,360 ft
Nearest Airport
29.5 miles (47.4 km)45.6 miles (73.4 km)
Distance to Coast
336.1 miles (541.0 km)319.6 miles (514.3 km)
Infrastructure
ZIP 51031
Le Mars city, IA
View full profile →- Work From Home %4.7%
- Walkability (0–100)36
- Broadband %89.5%
Visual comparison (same scale)
Work From Home %
4.7%5.2%
Walkability (0–100)
3628
Broadband %
89.5%87.7%
Frequently Asked Questions
How do ZIP 51031 and 51003 compare?
ZIP 51031 is lower unemployment, more diverse. ZIP 51003 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (51031), orange the second (51003). 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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