63389 vs 63366 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 63389, Orange = ZIP 63366.
Quick verdict: ZIP 63389 is more affordable rent, lower unemployment. ZIP 63366 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 63389
Winfield city, MO
View full profile →- Population7,159
- Median Income$92,646
- Median Home Value$219k
- Median Rent$728
- Median Age39.2 yrs
- Poverty Rate10.0%
ZIP 63366
O'Fallon city, MO
View full profile →- Population54,449
- Median Income$98,237
- Median Home Value$284k
- Median Rent$1,066
- Median Age39.2 yrs
- Poverty Rate5.9%
Visual comparison (same scale)
Population
7,15954,449
Median Income
$92,646$98,237
Median Home Value
$219k$284k
Median Rent
$728$1,066
Median Age
39.2 yrs39.2 yrs
Poverty Rate
10.0%5.9%
Demographics
ZIP 63389
Winfield city, MO
View full profile →- White %92.4%
- Black %0.2%
- Asian %0.9%
- Hispanic %3.5%
- Age 0–17 %23.9%
- Age 18–64 %62.8%
- Age 65+ %13.3%
- Bachelor's+ %14.4%
- Diversity Index14/100
ZIP 63366
O'Fallon city, MO
View full profile →- White %82.5%
- Black %5.1%
- Asian %2.8%
- Hispanic %5.7%
- Age 0–17 %23.5%
- Age 18–64 %61.3%
- Age 65+ %15.2%
- Bachelor's+ %34.3%
- Diversity Index31/100
Visual comparison (same scale)
White %
92.4%82.5%
Black %
0.2%5.1%
Asian %
0.9%2.8%
Hispanic %
3.5%5.7%
Age 0–17 %
23.9%23.5%
Age 18–64 %
62.8%61.3%
Age 65+ %
13.3%15.2%
Bachelor's+ %
14.4%34.3%
Diversity Index
14/10031/100
Economy
ZIP 63389
Winfield city, MO
View full profile →- Median Income$92,646
- Unemployment %2.5%
- IRS Net Migration+324
- Work From Home %4.5%
ZIP 63366
O'Fallon city, MO
View full profile →- Median Income$98,237
- Unemployment %3.3%
- IRS Net Migration+2,461
- Work From Home %13.7%
Visual comparison (same scale)
Median Income
$92,646$98,237
Unemployment %
2.5%3.3%
IRS Net Migration
+324+2,461
Work From Home %
4.5%13.7%
Housing
ZIP 63389
Winfield city, MO
View full profile →- Median Home Value$219k
- Median Rent$728
- Owner Occupied %75.3%
- Broadband %91.8%
- Vacant %4.2%
- Median Year Built1992
ZIP 63366
O'Fallon city, MO
View full profile →- Median Home Value$284k
- Median Rent$1,066
- Owner Occupied %81.1%
- Broadband %94.2%
- Vacant %3.0%
- Median Year Built1998
Visual comparison (same scale)
Median Home Value
$219k$284k
Median Rent
$728$1,066
Owner Occupied %
75.3%81.1%
Broadband %
91.8%94.2%
Vacant %
4.2%3.0%
Median Year Built
19921998
Climate & Location
ZIP 63389
Winfield city, MO
View full profile →- Snow Days/Year0 days
- Elevation (ft)475 ft
- Nearest Airport24.3 miles (39.1 km)
- Distance to Coast226.9 miles (365.2 km)
ZIP 63366
O'Fallon city, MO
View full profile →- Snow Days/Year0 days
- Elevation (ft)575 ft
- Nearest Airport14.1 miles (22.6 km)
- Distance to Coast233.3 miles (375.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
475 ft575 ft
Nearest Airport
24.3 miles (39.1 km)14.1 miles (22.6 km)
Distance to Coast
226.9 miles (365.2 km)233.3 miles (375.5 km)
Infrastructure
ZIP 63389
Winfield city, MO
View full profile →- Work From Home %4.5%
- Walkability (0–100)—
- Broadband %91.8%
ZIP 63366
O'Fallon city, MO
View full profile →- Work From Home %13.7%
- Walkability (0–100)37
- Broadband %94.2%
Visual comparison (same scale)
Work From Home %
4.5%13.7%
Walkability (0–100)
—37
Broadband %
91.8%94.2%
Frequently Asked Questions
How do ZIP 63389 and 63366 compare?
ZIP 63389 is more affordable rent, lower unemployment. ZIP 63366 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (63389), orange the second (63366). 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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