51521 vs 51510 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 51521, Orange = ZIP 51510.
Quick verdict: ZIP 51521 is higher home values, more affordable rent, lower poverty rate, lower unemployment, more educated. ZIP 51510 is wealthier, more diverse, higher work-from-home share.
Quick Facts
ZIP 51521
Avoca city, IA
View full profile →- Population1,935
- Median Income$71,715
- Median Home Value$173k
- Median Rent$593
- Median Age42.4 yrs
- Poverty Rate10.5%
ZIP 51510
Carter Lake city, IA
View full profile →- Population3,773
- Median Income$75,037
- Median Home Value$161k
- Median Rent$1,056
- Median Age40.1 yrs
- Poverty Rate15.2%
Visual comparison (same scale)
Population
1,9353,773
Median Income
$71,715$75,037
Median Home Value
$173k$161k
Median Rent
$593$1,056
Median Age
42.4 yrs40.1 yrs
Poverty Rate
10.5%15.2%
Demographics
ZIP 51521
Avoca city, IA
View full profile →- White %96.7%
- Black %0.0%
- Asian %0.4%
- Hispanic %0.7%
- Age 0–17 %25.1%
- Age 18–64 %51.4%
- Age 65+ %23.5%
- Bachelor's+ %27.7%
- Diversity Index6/100
ZIP 51510
Carter Lake city, IA
View full profile →- White %77.5%
- Black %0.6%
- Asian %0.6%
- Hispanic %19.9%
- Age 0–17 %25.3%
- Age 18–64 %59.4%
- Age 65+ %15.3%
- Bachelor's+ %12.9%
- Diversity Index36/100
Visual comparison (same scale)
White %
96.7%77.5%
Black %
0.0%0.6%
Asian %
0.4%0.6%
Hispanic %
0.7%19.9%
Age 0–17 %
25.1%25.3%
Age 18–64 %
51.4%59.4%
Age 65+ %
23.5%15.3%
Bachelor's+ %
27.7%12.9%
Diversity Index
6/10036/100
Economy
ZIP 51521
Avoca city, IA
View full profile →- Median Income$71,715
- Unemployment %0.6%
- IRS Net Migration+111
- Work From Home %3.8%
ZIP 51510
Carter Lake city, IA
View full profile →- Median Income$75,037
- Unemployment %4.7%
- IRS Net Migration+216
- Work From Home %10.8%
Visual comparison (same scale)
Median Income
$71,715$75,037
Unemployment %
0.6%4.7%
IRS Net Migration
+111+216
Work From Home %
3.8%10.8%
Housing
ZIP 51521
Avoca city, IA
View full profile →- Median Home Value$173k
- Median Rent$593
- Owner Occupied %74.2%
- Broadband %84.0%
- Vacant %8.2%
- Median Year Built1941
ZIP 51510
Carter Lake city, IA
View full profile →- Median Home Value$161k
- Median Rent$1,056
- Owner Occupied %84.3%
- Broadband %83.2%
- Vacant %4.9%
- Median Year Built1972
Visual comparison (same scale)
Median Home Value
$173k$161k
Median Rent
$593$1,056
Owner Occupied %
74.2%84.3%
Broadband %
84.0%83.2%
Vacant %
8.2%4.9%
Median Year Built
19411972
Climate & Location
ZIP 51521
Avoca city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,270 ft
- Nearest Airport31.1 miles (50.1 km)
- Distance to Coast375.6 miles (604.4 km)
ZIP 51510
Carter Lake city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)982 ft
- Nearest Airport1.6 miles (2.5 km)
- Distance to Coast406.1 miles (653.6 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,270 ft982 ft
Nearest Airport
31.1 miles (50.1 km)1.6 miles (2.5 km)
Distance to Coast
375.6 miles (604.4 km)406.1 miles (653.6 km)
Infrastructure
ZIP 51510
Carter Lake city, IA
View full profile →- Work From Home %10.8%
- Walkability (0–100)49
- Broadband %83.2%
Visual comparison (same scale)
Work From Home %
3.8%10.8%
Walkability (0–100)
3349
Broadband %
84.0%83.2%
Frequently Asked Questions
How do ZIP 51521 and 51510 compare?
ZIP 51521 is higher home values, more affordable rent, lower poverty rate, lower unemployment, more educated. ZIP 51510 is wealthier, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (51521), orange the second (51510). 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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