County
St. Charles County, MO
Missouri · Population 414,535 · FIPS: 29183
Population
414,535
Cities
21
ZIP Codes
14
Safety Score
50
50
Average
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About St. Charles County
St. Charles County is located in Missouri with a population of 414,535. It includes 21 cities and 14 ZIP codes. The largest cities include Saint Charles, O'Fallon, Saint Peters, St. Charles.
Cities in St. Charles County
| City | Population | Median Home Price | Safety Score |
|---|---|---|---|
| Saint Charles, MO | 141,951 | N/A | N/A |
| O'Fallon, MO | 93,801 | N/A | N/A |
| Saint Peters, MO | 74,962 | N/A | N/A |
| St. Charles, MO | 71,508 | N/A | N/A |
| St. Peters, MO | 59,092 | N/A | N/A |
| Wentzville, MO | 47,061 | N/A | N/A |
| Lake Saint Louis, MO | 29,725 | N/A | N/A |
| Lake St. Louis, MO | 18,066 | N/A | N/A |
| Dardenne Prairie, MO | 13,503 | N/A | N/A |
| Cottleville, MO | 5,937 | N/A | N/A |
| Weldon Spring, MO | 5,310 | N/A | N/A |
| St. Paul, MO | 3,456 | N/A | N/A |
| Foristell, MO | 1,096 | N/A | N/A |
| Josephville, MO | 664 | N/A | N/A |
| Flint Hill, MO | 583 | N/A | N/A |
| West Alton, MO | 467 | N/A | N/A |
| New Melle, MO | 452 | N/A | N/A |
| Portage Des Sioux, MO | 340 | N/A | N/A |
| Augusta, MO | 285 | N/A | N/A |
| Weldon Spring Heights, MO | 121 | N/A | N/A |
| Defiance, MO | 63 | N/A | N/A |
Explore Cities in St. Charles County
Saint Charles, MOPop. 141,951O'Fallon, MOPop. 93,801Saint Peters, MOPop. 74,962St. Charles, MOPop. 71,508St. Peters, MOPop. 59,092Wentzville, MOPop. 47,061Lake Saint Louis, MOPop. 29,725Lake St. Louis, MOPop. 18,066Dardenne Prairie, MOPop. 13,503Cottleville, MOPop. 5,937Weldon Spring, MOPop. 5,310St. Paul, MOPop. 3,456Foristell, MOPop. 1,096Josephville, MOPop. 664Flint Hill, MOPop. 583West Alton, MOPop. 467New Melle, MOPop. 452Portage Des Sioux, MOPop. 340Augusta, MOPop. 285Weldon Spring Heights, MOPop. 121Defiance, MOPop. 63
ZIP Codes in St. Charles County
63301 - Saint CharlesPop. 52,66763303 - Saint CharlesPop. 46,08963304 - Saint CharlesPop. 43,19563332 - AugustaPop. 1,65163341 - DefiancePop. 3,51563348 - ForistellPop. 10,39463365 - New MellePop. 5163366 - O'FallonPop. 54,76963367 - Lake Saint LouisPop. 29,72563368 - O'FallonPop. 46,96663373 - Portage Des SiouxPop. 69063376 - Saint PetersPop. 74,96263385 - WentzvillePop. 51,33063386 - West AltonPop. 482