Ranking of St. Charles County, MO Cities and Places By Population in 2023
Updated on August 17, 2024.
Based on the US Census Vintage data estimates, in 2023, among all St. Charles County, MO cities and places, O'Fallon city had the highest population (94.07K), followed by Balance of St. Charles County (93.22K), and St. Charles city (71.80K).
The chart below shows the top 10 cities and places, and the table below shows the ranking of all St. Charles cities and places.
You can see similar information for other Missouri counties. You can also see the ranking of all cities and places in Missouri.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of St. Charles County, MO Cities and Places By Population in 2023
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| Rank | City or Place | Population |
|---|---|---|
| 1 | O'Fallon city | 94074 |
| 2 | Balance of St. Charles County | 93218 |
| 3 | St. Charles city | 71800 |
| 4 | St. Peters city | 59413 |
| 5 | Wentzville city | 47497 |
| 6 | Lake St. Louis city | 18661 |
| 7 | Dardenne Prairie city | 13803 |
| 8 | Cottleville city | 6043 |
| 9 | Weldon Spring city | 5263 |
| 10 | St. Paul city | 3622 |
| 11 | Flint Hill city | 846 |
| 12 | Josephville village | 543 |
| 13 | New Melle city | 538 |
| 14 | West Alton city | 350 |
| 15 | Portage Des Sioux city | 325 |
| 16 | Foristell city (pt.) | 307 |
| 17 | Augusta town | 264 |
| 18 | Weldon Spring Heights town | 92 |