US ZIP Code Map

ZIP code

63366

O Fallon, MO

STANDARD

63366 covers O Fallon in St. Charles County, with 54,449 people in the ACS estimate.

Map of 63366, O Fallon

ZIP code map

ACS population

54,449

Median household income

$98,237

Median home value

$283,900

About ZIP code 63366

City

O Fallon

County

St. Charles County

Timezone

America/Chicago

Area codes

636

Land area

69.3 sq mi

Water area

1.33 sq mi

Households

21,204

Median gross rent

$1,274

Acceptable cities: Cottleville, Dardenne Pr, Dardenne Prairie, Saint Paul, Saint Peters

More enterprise fields

Timezone
America/Chicago
Area Codes
636
World Region
NA
Country
US
Housing Count
21,072
Irs Estimated Households
26,120
Population Count
53,861
Irs Estimated Population
49,250

People in 63366

Race

  • White44,994
  • Black or African American2,905
  • American Indian or Alaska Native140
  • Asian1,032
  • Native Hawaiian and Pacific Islander74
  • Other race924
  • Two or more races3,792

Hispanic or Latino (any race): 2,314

Age

  • Under 106,797
  • 10 to 197,830
  • 20 to 295,928
  • 30 to 397,544
  • 40 to 497,024
  • 50 to 597,266
  • 60 to 695,912
  • 70 to 793,659
  • 80 and older1,901

Income and housing in 63366

Poverty rate

5.9%

Median earnings

$51,750

Median household income

$98,237

Median home value

$283,900

Median gross rent

$1,274

Education

  • High school graduate94.6%
  • Bachelor's degree34.3%
  • Graduate degree12.0%

Places covering 63366

Counties

11.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 63366

IRS populationACS population
58,80529,402020052023

Hover a year for IRS and ACS values.

ZIP codes near 63366

  1. 63369Old Monroe5.8 miPop 2,984 · Income $94,079
  2. 63368O Fallon5.8 miPop 45,862 · Income $118,811
  3. 63367Lake Saint Louis6.1 miPop 27,893 · Income $134,932
  4. 63346Flinthill6.4 miPop — · Income —
  5. 63385Wentzville7.3 miPop 50,420 · Income $111,851
  6. 63338Cottleville8.7 miPop — · Income —
  7. 62036Golden Eagle8.9 miPop 531 · Income $103,750
  8. 63389Winfield9.0 miPop 7,159 · Income $92,646
  9. 63376Saint Peters9.4 miPop 74,876 · Income $94,921
  10. 62013Brussels10.2 miPop 425 · Income $71,250
  11. 63362Moscow Mills11.1 miPop 9,247 · Income $85,300
  12. 63304Saint Charles11.5 miPop 43,389 · Income $114,124

ZIP code 63366 FAQ

What city is ZIP code 63366 in?
63366 is in O Fallon, MO.
What county is 63366 in?
63366 is in St. Charles County.
What is the median household income in 63366?
The median household income in 63366 is $98,237.
Which ZIP codes are near 63366?
Use the radius tool on this page to list ZIP codes within a chosen distance of 63366.