What is the cost of living in St. Charles, MO?
According to the most recent data on the cost of living, St. Charles has an overall cost of living index of 102, which is 1.0x higher than the national index of 100.
Compared to Missouri, St. Charles has a cost of living index that's 1.1x higher than Missouri's index of 90.
The standard of living in St. Charles ranks as #109 most affordable out of the 144 places we measured in Missouri. By definition, that implies St. Charles ranks as the #35 most expensive place in the Show Me State.
For more reading on life in St. Charles, check out:
St. Charles Cost Of Living Vs. Missouri
Six factors go into calculating the cost of living index in St. Charles. Here is how it fares on each of the criteria:
The Services index in St. Charles is 95.
The Groceries index in St. Charles is 98.
The Health index in St. Charles is 115.
The Housing index in St. Charles is 95.
The Transportation index in St. Charles is 96.
The Utilities index in St. Charles is 96.
| Living Expense | St. Charles | Missouri | National Average |
|---|---|---|---|
| Overall | 102 | 90 | 100 |
| Services | 95 | 97 | 100 |
| Groceries | 98 | 98 | 100 |
| Health | 115 | 76 | 100 |
| Housing | 95 | 95 | 100 |
| Transportation | 96 | 94 | 100 |
| Utilities | 96 | 96 | 100 |
St. Charles Cost Of Living Compared To Missouri Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Missouri, check out:
Protect your home budget Compare home warranties in St. Charles Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
St. Charles, MO Housing Cost Breakdown
Housing swings affordability the most between places in Missouri, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:
The Median Home Value in St. Charles is $344,642.
The Median Rent in St. Charles is $1,251.
The Median Income in St. Charles is $85,937.
The Home Value To Income in St. Charles is 4.0x.
The Rent To Monthly Income in St. Charles is 0.17x.
| Statistic | St. Charles | Missouri | United States |
|---|---|---|---|
| Median Home Value | $344,642 | $263,040 | $332,700 |
| Median Rent | $1,251 | $1,033 | $1,413 |
| Median Income | $85,937 | $70,702 | $80,734 |
| Home Value To Income | 4.0x | 3.7x | 4.1x |
| Rent To Monthly Income | 0.17x | 0.18x | 0.21x |
St. Charles, MO Costs By Category
Detailed St. Charles Services costs vs. Missouri
| Item | St. Charles | Missouri |
|---|---|---|
| Shampoo | $1.11 | $1.28 |
| Movie | $11.28 | $12.13 |
| Bowling | $16.92 | $18 |
| Haircut | $21.19 | $24.26 |
| Beauty Salon | $40.57 | $45.56 |
Detailed St. Charles Groceries costs vs. Missouri
| Item | St. Charles | Missouri |
|---|---|---|
| Ground Beef | $6.4 | $5.84 |
| Fried Chicken | $1.36 | $1.57 |
| Milk | $4.5 | $4.67 |
| Potatoes | $5.28 | $4.93 |
| Pizza | $10.84 | $12.09 |
| Beer | $9.47 | $10.41 |
| Toothpaste | $3.75 | $3.7 |
Detailed St. Charles Health costs vs. Missouri
| Item | St. Charles | Missouri |
|---|---|---|
| Optometrist | $125.72 | $125.68 |
| Doctor | $124.51 | $135.78 |
| Dentist | $100.78 | $113.29 |
Detailed St. Charles Transportation costs vs. Missouri
| Item | St. Charles | Missouri |
|---|---|---|
| Gasoline | $3.2 | $3.46 |
| Tire Balancing | $50.0 | $59.92 |
Detailed St. Charles Utilities costs vs. Missouri
| Item | St. Charles | Missouri |
|---|---|---|
| All Electricity | $133.84 | $193.99 |
| Phone | $188.69 | $192.25 |
St. Charles SnackAbility
Cost Of Living In Cities Around St. Charles
The cost of living varies in the cities and towns around St. Charles. Here's a quick look at the cost of living in the most populous nearby places:
O'Fallon, MO has a cost of living index of 105, 1.0x St. Charles.
St. Peters, MO has a cost of living index of 97, 1.0x St. Charles.
Chesterfield, MO has a cost of living index of 121, 1.2x St. Charles.
| City | Population | Cost Of Living | Vs. St. Charles |
|---|---|---|---|
| O'Fallon, MO | 93,801 | 105 | 1.0x |
| St. Peters, MO | 59,092 | 97 | 1.0x |
| Chesterfield, MO | 49,574 | 121 | 1.2x |
| Wildwood, MO | 35,133 | 122 | 1.2x |
| Ballwin, MO | 31,279 | 109 | 1.1x |
| Kirkwood, MO | 29,363 | 117 | 1.1x |
| Maryland Heights, MO | 27,880 | 98 | 1.0x |
| Hazelwood, MO | 25,114 | 88 | 0.9x |
| Godfrey, IL | 17,712 | 94 | 0.9x |
| Dardenne Prairie, MO | 13,503 | 115 | 1.1x |
