St. Charles County, Missouri

Browse all ZIP codes in St. Charles County, Missouri. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 408,367
Median Household Income $101,203
Median Age 39.7
Unemployment Rate 2.8%
Poverty Rate 4.7%
ZIP Codes 14

Largest ZIP Codes in St. Charles County

ZIP Code City Population Median Income
63376Saint Peters74,967$93,140
63366O Fallon52,746$91,698
63301Saint Charles51,401$80,380
63385Wentzville48,535$109,802
63303Saint Charles47,285$94,658

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in St. Charles County