Median mortgage payment for 2018: $1,460
Median rent for 2018: $959
| Period | Geography | Population |
|---|---|---|
| 2014 | St. Charles city, Missouri | 66,900 |
| 2015 | St. Charles city, Missouri | 67,479 |
| 2016 | St. Charles city, Missouri | 68,341 |
| 2017 | St. Charles city, Missouri | 69,026 |
| 2018 | St. Charles city, Missouri | 69,576 |