51109 vs 51031 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 51109, Orange = ZIP 51031.
Quick verdict: ZIP 51109 is more affordable rent, more diverse. ZIP 51031 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 51109
Sioux City city, IA
View full profile →- Population3,731
- Median Income$70,750
- Median Home Value$120k
- Median Rent$676
- Median Age41.2 yrs
- Poverty Rate15.2%
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%
Visual comparison (same scale)
Population
3,73112,785
Median Income
$70,750$74,978
Median Home Value
$120k$209k
Median Rent
$676$721
Median Age
41.2 yrs39.0 yrs
Poverty Rate
15.2%8.1%
Demographics
ZIP 51109
Sioux City city, IA
View full profile →- White %81.4%
- Black %0.2%
- Asian %0.2%
- Hispanic %23.0%
- Age 0–17 %25.9%
- Age 18–64 %57.9%
- Age 65+ %16.2%
- Bachelor's+ %3.0%
- Diversity Index28/100
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
Visual comparison (same scale)
White %
81.4%87.4%
Black %
0.2%4.5%
Asian %
0.2%0.1%
Hispanic %
23.0%9.1%
Age 0–17 %
25.9%26.1%
Age 18–64 %
57.9%56.9%
Age 65+ %
16.2%17.0%
Bachelor's+ %
3.0%24.8%
Diversity Index
28/10023/100
Economy
ZIP 51109
Sioux City city, IA
View full profile →- Median Income$70,750
- Unemployment %2.4%
- IRS Net Migration+214
- Work From Home %2.0%
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%
Visual comparison (same scale)
Median Income
$70,750$74,978
Unemployment %
2.4%1.5%
IRS Net Migration
+214+733
Work From Home %
2.0%4.7%
Housing
ZIP 51109
Sioux City city, IA
View full profile →- Median Home Value$120k
- Median Rent$676
- Owner Occupied %84.8%
- Broadband %87.3%
- Vacant %2.8%
- Median Year Built1960
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
Visual comparison (same scale)
Median Home Value
$120k$209k
Median Rent
$676$721
Owner Occupied %
84.8%65.8%
Broadband %
87.3%89.5%
Vacant %
2.8%4.2%
Median Year Built
19601973
Climate & Location
ZIP 51109
Sioux City city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,100 ft
- Nearest Airport13.5 miles (21.8 km)
- Distance to Coast356.9 miles (574.4 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,100 ft1,195 ft
Nearest Airport
13.5 miles (21.8 km)29.5 miles (47.4 km)
Distance to Coast
356.9 miles (574.4 km)336.1 miles (541.0 km)
Infrastructure
ZIP 51109
Sioux City city, IA
View full profile →- Work From Home %2.0%
- Walkability (0–100)68
- Broadband %87.3%
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 %
2.0%4.7%
Walkability (0–100)
6836
Broadband %
87.3%89.5%
Frequently Asked Questions
How do ZIP 51109 and 51031 compare?
ZIP 51109 is more affordable rent, more diverse. ZIP 51031 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 (51109), orange the second (51031). 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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