County
St. Charles County, MO ZIP codes
18 ZIPs, including 63301, 63302, 63303, 63304, 63332, 63338, 63341, 63346, 63348, 63365, 63366, 63367, 63368, 63373, 63376, 63385, 63386 as county.
Map of St. Charles County
ZIP code map
ZIP share of this county
Population share
- 63301100.0%
Enterprise county
- 63303100.0%
Enterprise county
- 63304100.0%
Enterprise county
- 63332100.0%
Enterprise county
- 63341100.0%
Enterprise county
- 6334877.6%
Enterprise county
- 633574.9%
- 63365100.0%
Enterprise county
- 63366100.0%
Enterprise county
- 63367100.0%
Enterprise county
- 63368100.0%
Enterprise county
- 63373100.0%
Enterprise county
- 63376100.0%
Enterprise county
- 63385100.0%
Enterprise county
- 63386100.0%
Enterprise county
ZIP codes in St. Charles County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 63301 | Saint Charles | St. Charles County | 51,625 | $83,551 |
| 63302 | Saint Charles | St. Charles County | — | — |
| 63303 | Saint Charles | St. Charles County | 46,627 | $98,031 |
| 63304 | Saint Charles | St. Charles County | 43,389 | $114,124 |
| 63332 | Augusta | St. Charles County | 1,676 | $137,083 |
| 63338 | Cottleville | St. Charles County | — | — |
| 63341 | Defiance | St. Charles County | 3,554 | $177,583 |
| 63346 | Flinthill | St. Charles County | — | — |
| 63348 | Foristell | St. Charles County | 10,207 | $106,458 |
| 63357 | Marthasville | Warren County | 6,593 | $87,500 |
| 63365 | New Melle | St. Charles County | 56 | $41,125 |
| 63366 | O Fallon | St. Charles County | 54,449 | $98,237 |
| 63367 | Lake Saint Louis | St. Charles County | 27,893 | $134,932 |
| 63368 | O Fallon | St. Charles County | 45,862 | $118,811 |
| 63373 | Portage Des Sioux | St. Charles County | 717 | $77,250 |
| 63376 | Saint Peters | St. Charles County | 74,876 | $94,921 |
| 63385 | Wentzville | St. Charles County | 50,420 | $111,851 |
| 63386 | West Alton | St. Charles County | 537 | $125,313 |