51040 vs 51010 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 51040, Orange = ZIP 51010.
Quick verdict: ZIP 51040 is higher home values, more diverse, more educated, higher work-from-home share. ZIP 51010 is wealthier, lower poverty rate, lower unemployment.
Quick Facts
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%
ZIP 51010
Castana city, IA
View full profile →- Population416
- Median Income$92,083
- Median Home Value$108k
- Median Rent—
- Median Age57.5 yrs
- Poverty Rate4.6%
Visual comparison (same scale)
Population
3,388416
Median Income
$60,642$92,083
Median Home Value
$140k$108k
Median Rent
$647—
Median Age
37.5 yrs57.5 yrs
Poverty Rate
14.6%4.6%
Demographics
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
ZIP 51010
Castana city, IA
View full profile →- White %96.4%
- Black %0.0%
- Asian %0.0%
- Hispanic %3.6%
- Age 0–17 %14.7%
- Age 18–64 %64.4%
- Age 65+ %20.9%
- Bachelor's+ %10.6%
- Diversity Index7/100
Visual comparison (same scale)
White %
93.4%96.4%
Black %
0.4%0.0%
Asian %
0.0%0.0%
Hispanic %
2.4%3.6%
Age 0–17 %
23.0%14.7%
Age 18–64 %
55.9%64.4%
Age 65+ %
21.1%20.9%
Bachelor's+ %
17.6%10.6%
Diversity Index
13/1007/100
Economy
ZIP 51040
Onawa city, IA
View full profile →- Median Income$60,642
- Unemployment %1.4%
- IRS Net Migration+194
- Work From Home %8.5%
ZIP 51010
Castana city, IA
View full profile →- Median Income$92,083
- Unemployment %1.0%
- IRS Net Migration+24
- Work From Home %5.1%
Visual comparison (same scale)
Median Income
$60,642$92,083
Unemployment %
1.4%1.0%
IRS Net Migration
+194+24
Work From Home %
8.5%5.1%
Housing
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
ZIP 51010
Castana city, IA
View full profile →- Median Home Value$108k
- Median Rent—
- Owner Occupied %86.3%
- Broadband %85.8%
- Vacant %16.1%
- Median Year Built1953
Visual comparison (same scale)
Median Home Value
$140k$108k
Median Rent
$647—
Owner Occupied %
73.8%86.3%
Broadband %
84.0%85.8%
Vacant %
9.5%16.1%
Median Year Built
19621953
Climate & Location
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)
ZIP 51010
Castana city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,400 ft
- Nearest Airport32.4 miles (52.1 km)
- Distance to Coast370.6 miles (596.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,060 ft1,400 ft
Nearest Airport
29.2 miles (47.0 km)32.4 miles (52.1 km)
Distance to Coast
378.1 miles (608.5 km)370.6 miles (596.5 km)
Infrastructure
ZIP 51010
Castana city, IA
View full profile →- Work From Home %5.1%
- Walkability (0–100)22
- Broadband %85.8%
Visual comparison (same scale)
Work From Home %
8.5%5.1%
Walkability (0–100)
3822
Broadband %
84.0%85.8%
Frequently Asked Questions
How do ZIP 51040 and 51010 compare?
ZIP 51040 is higher home values, more diverse, more educated, higher work-from-home share. ZIP 51010 is wealthier, lower poverty rate, lower unemployment.
What do the blue and orange colors mean?
Blue represents the first ZIP (51040), orange the second (51010). 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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