51523 vs 51040 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 51523, Orange = ZIP 51040.
Quick verdict: ZIP 51523 is wealthier, more affordable rent, lower poverty rate, more educated. ZIP 51040 is higher home values, lower unemployment, more diverse, higher work-from-home share.
Quick Facts
ZIP 51523
Blencoe city, IA
View full profile →- Population356
- Median Income$80,909
- Median Home Value$118k
- Median Rent$546
- Median Age42.8 yrs
- Poverty Rate8.2%
ZIP 51040
Onawa city, IA
View full profile →- Population3,388
- Median Income$60,642
- Median Home Value$140k
- Median Rent$647
- Median Age37.5 yrs
- Poverty Rate14.6%
Visual comparison (same scale)
Population
3563,388
Median Income
$80,909$60,642
Median Home Value
$118k$140k
Median Rent
$546$647
Median Age
42.8 yrs37.5 yrs
Poverty Rate
8.2%14.6%
Demographics
ZIP 51523
Blencoe city, IA
View full profile →- White %97.2%
- Black %0.0%
- Asian %0.0%
- Hispanic %2.5%
- Age 0–17 %27.8%
- Age 18–64 %46.1%
- Age 65+ %26.1%
- Bachelor's+ %22.6%
- Diversity Index5/100
ZIP 51040
Onawa city, IA
View full profile →- White %93.4%
- Black %0.4%
- Asian %0.0%
- Hispanic %2.4%
- Age 0–17 %23.0%
- Age 18–64 %55.9%
- Age 65+ %21.1%
- Bachelor's+ %17.6%
- Diversity Index13/100
Visual comparison (same scale)
White %
97.2%93.4%
Black %
0.0%0.4%
Asian %
0.0%0.0%
Hispanic %
2.5%2.4%
Age 0–17 %
27.8%23.0%
Age 18–64 %
46.1%55.9%
Age 65+ %
26.1%21.1%
Bachelor's+ %
22.6%17.6%
Diversity Index
5/10013/100
Economy
ZIP 51523
Blencoe city, IA
View full profile →- Median Income$80,909
- Unemployment %5.8%
- IRS Net Migration+20
- Work From Home %6.1%
ZIP 51040
Onawa city, IA
View full profile →- Median Income$60,642
- Unemployment %1.4%
- IRS Net Migration+194
- Work From Home %8.5%
Visual comparison (same scale)
Median Income
$80,909$60,642
Unemployment %
5.8%1.4%
IRS Net Migration
+20+194
Work From Home %
6.1%8.5%
Housing
ZIP 51523
Blencoe city, IA
View full profile →- Median Home Value$118k
- Median Rent$546
- Owner Occupied %83.8%
- Broadband %80.4%
- Vacant %4.5%
- Median Year Built1942
ZIP 51040
Onawa city, IA
View full profile →- Median Home Value$140k
- Median Rent$647
- Owner Occupied %73.8%
- Broadband %84.0%
- Vacant %9.5%
- Median Year Built1962
Visual comparison (same scale)
Median Home Value
$118k$140k
Median Rent
$546$647
Owner Occupied %
83.8%73.8%
Broadband %
80.4%84.0%
Vacant %
4.5%9.5%
Median Year Built
19421962
Climate & Location
ZIP 51523
Blencoe city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,025 ft
- Nearest Airport37.0 miles (59.6 km)
- Distance to Coast384.9 miles (619.5 km)
ZIP 51040
Onawa city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,060 ft
- Nearest Airport29.2 miles (47.0 km)
- Distance to Coast378.1 miles (608.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,025 ft1,060 ft
Nearest Airport
37.0 miles (59.6 km)29.2 miles (47.0 km)
Distance to Coast
384.9 miles (619.5 km)378.1 miles (608.5 km)
Infrastructure
ZIP 51523
Blencoe city, IA
View full profile →- Work From Home %6.1%
- Walkability (0–100)22
- Broadband %80.4%
Visual comparison (same scale)
Work From Home %
6.1%8.5%
Walkability (0–100)
2238
Broadband %
80.4%84.0%
Frequently Asked Questions
How do ZIP 51523 and 51040 compare?
ZIP 51523 is wealthier, more affordable rent, lower poverty rate, more educated. ZIP 51040 is higher home values, lower unemployment, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (51523), orange the second (51040). 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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