US ZIP Code Map

City

O'Fallon, MO ZIP codes

6 ZIPs.

ACS population

296,889

Median household income

$112,146

Median home value

$316,783

Map of O'Fallon

ZIP code map

ZIP share of this city

Population share

ZIP codes in O'Fallon

ZIPCityCountyPopulationIncome
63304Saint CharlesSt. Charles County43,389$114,124
63366O FallonSt. Charles County54,449$98,237
63367Lake Saint LouisSt. Charles County27,893$134,932
63368O FallonSt. Charles County45,862$118,811
63376Saint PetersSt. Charles County74,876$94,921
63385WentzvilleSt. Charles County50,420$111,851