63138 vs 63021 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 63138, Orange = ZIP 63021.
Quick verdict: ZIP 63138 is more affordable rent. ZIP 63021 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 63138
Spanish Lake CDP, MO
View full profile →- Population18,736
- Median Income$51,714
- Median Home Value$125k
- Median Rent$848
- Median Age34.5 yrs
- Poverty Rate16.9%
ZIP 63021
Ballwin city, MO
View full profile →- Population56,297
- Median Income$113,822
- Median Home Value$324k
- Median Rent$1,204
- Median Age40.4 yrs
- Poverty Rate5.1%
Visual comparison (same scale)
Population
18,73656,297
Median Income
$51,714$113,822
Median Home Value
$125k$324k
Median Rent
$848$1,204
Median Age
34.5 yrs40.4 yrs
Poverty Rate
16.9%5.1%
Demographics
ZIP 63138
Spanish Lake CDP, MO
View full profile →- White %14.2%
- Black %80.7%
- Asian %0.2%
- Hispanic %1.1%
- Age 0–17 %25.7%
- Age 18–64 %61.5%
- Age 65+ %12.8%
- Bachelor's+ %14.9%
- Diversity Index33/100
ZIP 63021
Ballwin city, MO
View full profile →- White %77.5%
- Black %2.5%
- Asian %9.9%
- Hispanic %5.2%
- Age 0–17 %22.6%
- Age 18–64 %60.3%
- Age 65+ %17.1%
- Bachelor's+ %62.1%
- Diversity Index38/100
Visual comparison (same scale)
White %
14.2%77.5%
Black %
80.7%2.5%
Asian %
0.2%9.9%
Hispanic %
1.1%5.2%
Age 0–17 %
25.7%22.6%
Age 18–64 %
61.5%60.3%
Age 65+ %
12.8%17.1%
Bachelor's+ %
14.9%62.1%
Diversity Index
33/10038/100
Economy
ZIP 63138
Spanish Lake CDP, MO
View full profile →- Median Income$51,714
- Unemployment %6.7%
- IRS Net Migration+847
- Work From Home %11.4%
ZIP 63021
Ballwin city, MO
View full profile →- Median Income$113,822
- Unemployment %3.4%
- IRS Net Migration+2,545
- Work From Home %17.3%
Visual comparison (same scale)
Median Income
$51,714$113,822
Unemployment %
6.7%3.4%
IRS Net Migration
+847+2,545
Work From Home %
11.4%17.3%
Housing
ZIP 63138
Spanish Lake CDP, MO
View full profile →- Median Home Value$125k
- Median Rent$848
- Owner Occupied %50.0%
- Broadband %88.6%
- Vacant %17.8%
- Median Year Built1969
ZIP 63021
Ballwin city, MO
View full profile →- Median Home Value$324k
- Median Rent$1,204
- Owner Occupied %79.0%
- Broadband %96.4%
- Vacant %3.4%
- Median Year Built1983
Visual comparison (same scale)
Median Home Value
$125k$324k
Median Rent
$848$1,204
Owner Occupied %
50.0%79.0%
Broadband %
88.6%96.4%
Vacant %
17.8%3.4%
Median Year Built
19691983
Climate & Location
ZIP 63138
Spanish Lake CDP, MO
View full profile →- Snow Days/Year0 days
- Elevation (ft)405 ft
- Nearest Airport10.0 miles (16.1 km)
- Distance to Coast221.1 miles (355.8 km)
ZIP 63021
Ballwin city, MO
View full profile →- Snow Days/Year0 days
- Elevation (ft)450 ft
- Nearest Airport8.6 miles (13.8 km)
- Distance to Coast244.5 miles (393.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
405 ft450 ft
Nearest Airport
10.0 miles (16.1 km)8.6 miles (13.8 km)
Distance to Coast
221.1 miles (355.8 km)244.5 miles (393.5 km)
Infrastructure
ZIP 63138
Spanish Lake CDP, MO
View full profile →- Work From Home %11.4%
- Walkability (0–100)61
- Broadband %88.6%
ZIP 63021
Ballwin city, MO
View full profile →- Work From Home %17.3%
- Walkability (0–100)39
- Broadband %96.4%
Visual comparison (same scale)
Work From Home %
11.4%17.3%
Walkability (0–100)
6139
Broadband %
88.6%96.4%
Frequently Asked Questions
How do ZIP 63138 and 63021 compare?
ZIP 63138 is more affordable rent. ZIP 63021 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (63138), orange the second (63021). 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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