51056 vs 51104 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 51056, Orange = ZIP 51104.
Quick verdict: ZIP 51056 is wealthier, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 51104 is higher home values, more diverse, more educated.
Quick Facts
ZIP 51056
Smithland city, IA
View full profile →- Population332
- Median Income$100,395
- Median Home Value$151k
- Median Rent$475
- Median Age57.6 yrs
- Poverty Rate3.9%
ZIP 51104
Sioux City city, IA
View full profile →- Population22,792
- Median Income$74,984
- Median Home Value$193k
- Median Rent$810
- Median Age37.0 yrs
- Poverty Rate8.3%
Visual comparison (same scale)
Population
33222,792
Median Income
$100,395$74,984
Median Home Value
$151k$193k
Median Rent
$475$810
Median Age
57.6 yrs37.0 yrs
Poverty Rate
3.9%8.3%
Demographics
ZIP 51056
Smithland city, IA
View full profile →- White %90.1%
- Black %0.0%
- Asian %0.0%
- Hispanic %3.9%
- Age 0–17 %12.3%
- Age 18–64 %54.2%
- Age 65+ %33.4%
- Bachelor's+ %21.3%
- Diversity Index18/100
ZIP 51104
Sioux City city, IA
View full profile →- White %70.4%
- Black %5.4%
- Asian %4.5%
- Hispanic %20.1%
- Age 0–17 %24.0%
- Age 18–64 %61.0%
- Age 65+ %15.0%
- Bachelor's+ %28.2%
- Diversity Index46/100
Visual comparison (same scale)
White %
90.1%70.4%
Black %
0.0%5.4%
Asian %
0.0%4.5%
Hispanic %
3.9%20.1%
Age 0–17 %
12.3%24.0%
Age 18–64 %
54.2%61.0%
Age 65+ %
33.4%15.0%
Bachelor's+ %
21.3%28.2%
Diversity Index
18/10046/100
Economy
ZIP 51056
Smithland city, IA
View full profile →- Median Income$100,395
- Unemployment %0.0%
- IRS Net Migration+19
- Work From Home %8.8%
ZIP 51104
Sioux City city, IA
View full profile →- Median Income$74,984
- Unemployment %4.7%
- IRS Net Migration+1,307
- Work From Home %4.9%
Visual comparison (same scale)
Median Income
$100,395$74,984
Unemployment %
0.0%4.7%
IRS Net Migration
+19+1,307
Work From Home %
8.8%4.9%
Housing
ZIP 51056
Smithland city, IA
View full profile →- Median Home Value$151k
- Median Rent$475
- Owner Occupied %98.2%
- Broadband %76.2%
- Vacant %11.8%
- Median Year Built1951
ZIP 51104
Sioux City city, IA
View full profile →- Median Home Value$193k
- Median Rent$810
- Owner Occupied %64.7%
- Broadband %87.1%
- Vacant %4.8%
- Median Year Built1958
Visual comparison (same scale)
Median Home Value
$151k$193k
Median Rent
$475$810
Owner Occupied %
98.2%64.7%
Broadband %
76.2%87.1%
Vacant %
11.8%4.8%
Median Year Built
19511958
Climate & Location
ZIP 51056
Smithland city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,200 ft
- Nearest Airport24.3 miles (39.1 km)
- Distance to Coast362.5 miles (583.4 km)
ZIP 51104
Sioux City city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,100 ft
- Nearest Airport9.6 miles (15.5 km)
- Distance to Coast357.4 miles (575.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,200 ft1,100 ft
Nearest Airport
24.3 miles (39.1 km)9.6 miles (15.5 km)
Distance to Coast
362.5 miles (583.4 km)357.4 miles (575.2 km)
Infrastructure
ZIP 51056
Smithland city, IA
View full profile →- Work From Home %8.8%
- Walkability (0–100)22
- Broadband %76.2%
ZIP 51104
Sioux City city, IA
View full profile →- Work From Home %4.9%
- Walkability (0–100)61
- Broadband %87.1%
Visual comparison (same scale)
Work From Home %
8.8%4.9%
Walkability (0–100)
2261
Broadband %
76.2%87.1%
Frequently Asked Questions
How do ZIP 51056 and 51104 compare?
ZIP 51056 is wealthier, more affordable rent, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 51104 is higher home values, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (51056), orange the second (51104). 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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