St. Charles
Missouri
13
Total ZIPs
362,252
Total Population
ZIP Codes in St. Charles
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 63376 | Saint Peters | 70,828 | 658 |
| 63301 | Saint Charles | 48,514 | 212 |
| 63366 | O Fallon | 46,175 | 259 |
| 63303 | Saint Charles | 45,834 | 893 |
| 63368 | O Fallon | 43,360 | 1,016 |
| 63304 | Saint Charles | 40,336 | 372 |
| 63385 | Wentzville | 35,750 | 206 |
| 63367 | Lake Saint Louis | 19,433 | 561 |
| 63348 | Foristell | 6,059 | 44 |
| 63341 | Defiance | 3,530 | 25 |
| 63332 | Augusta | 1,292 | 9 |
| 63373 | Portage Des Sioux | 603 | 14 |
| 63386 | West Alton | 538 | 7 |
All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.