66540 vs 66521 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 66540, Orange = ZIP 66521.
Quick verdict: ZIP 66540 is wealthier, lower poverty rate. ZIP 66521 is higher home values, more affordable rent, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 66540
Soldier city, KS
View full profile →- Population668
- Median Income$58,500
- Median Home Value$170k
- Median Rent$731
- Median Age38.5 yrs
- Poverty Rate5.1%
ZIP 66521
Onaga city, KS
View full profile →- Population1,444
- Median Income$54,779
- Median Home Value$182k
- Median Rent$581
- Median Age50.0 yrs
- Poverty Rate12.1%
Visual comparison (same scale)
Population
6681,444
Median Income
$58,500$54,779
Median Home Value
$170k$182k
Median Rent
$731$581
Median Age
38.5 yrs50.0 yrs
Poverty Rate
5.1%12.1%
Demographics
ZIP 66540
Soldier city, KS
View full profile →- White %90.4%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %30.1%
- Age 18–64 %49.5%
- Age 65+ %20.4%
- Bachelor's+ %24.4%
- Diversity Index17/100
ZIP 66521
Onaga city, KS
View full profile →- White %90.7%
- Black %0.0%
- Asian %1.4%
- Hispanic %2.9%
- Age 0–17 %22.6%
- Age 18–64 %50.5%
- Age 65+ %26.9%
- Bachelor's+ %28.6%
- Diversity Index17/100
Visual comparison (same scale)
White %
90.4%90.7%
Black %
0.0%0.0%
Asian %
0.0%1.4%
Hispanic %
0.0%2.9%
Age 0–17 %
30.1%22.6%
Age 18–64 %
49.5%50.5%
Age 65+ %
20.4%26.9%
Bachelor's+ %
24.4%28.6%
Diversity Index
17/10017/100
Economy
ZIP 66540
Soldier city, KS
View full profile →- Median Income$58,500
- Unemployment %2.3%
- IRS Net Migration+37
- Work From Home %2.5%
ZIP 66521
Onaga city, KS
View full profile →- Median Income$54,779
- Unemployment %1.1%
- IRS Net Migration+80
- Work From Home %11.9%
Visual comparison (same scale)
Median Income
$58,500$54,779
Unemployment %
2.3%1.1%
IRS Net Migration
+37+80
Work From Home %
2.5%11.9%
Housing
ZIP 66540
Soldier city, KS
View full profile →- Median Home Value$170k
- Median Rent$731
- Owner Occupied %92.5%
- Broadband %75.6%
- Vacant %10.9%
- Median Year Built1976
ZIP 66521
Onaga city, KS
View full profile →- Median Home Value$182k
- Median Rent$581
- Owner Occupied %65.3%
- Broadband %77.4%
- Vacant %15.8%
- Median Year Built1959
Visual comparison (same scale)
Median Home Value
$170k$182k
Median Rent
$731$581
Owner Occupied %
92.5%65.3%
Broadband %
75.6%77.4%
Vacant %
10.9%15.8%
Median Year Built
19761959
Climate & Location
ZIP 66540
Soldier city, KS
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,050 ft
- Nearest Airport34.7 miles (55.8 km)
- Distance to Coast438.4 miles (705.6 km)
ZIP 66521
Onaga city, KS
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,320 ft
- Nearest Airport33.7 miles (54.2 km)
- Distance to Coast450.7 miles (725.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,050 ft1,320 ft
Nearest Airport
34.7 miles (55.8 km)33.7 miles (54.2 km)
Distance to Coast
438.4 miles (705.6 km)450.7 miles (725.4 km)
Infrastructure
ZIP 66540
Soldier city, KS
View full profile →- Work From Home %2.5%
- Walkability (0–100)19
- Broadband %75.6%
ZIP 66521
Onaga city, KS
View full profile →- Work From Home %11.9%
- Walkability (0–100)27
- Broadband %77.4%
Visual comparison (same scale)
Work From Home %
2.5%11.9%
Walkability (0–100)
1927
Broadband %
75.6%77.4%
Frequently Asked Questions
How do ZIP 66540 and 66521 compare?
ZIP 66540 is wealthier, lower poverty rate. ZIP 66521 is higher home values, more affordable rent, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (66540), orange the second (66521). 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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