What is the cost of living in St. John, MO?
According to the most recent data on the cost of living, St. John has an overall cost of living index of 85, which is 0.8x lower than the national index of 100.
Compared to Missouri, St. John has a cost of living index that's 0.9x lower than Missouri's index of 90.
The standard of living in St. John ranks as #17 most affordable out of the 144 places we measured in Missouri. By definition, that implies St. John ranks as the #127 most expensive place in the Show Me State.
For more reading on life in St. John, check out:
St. John Cost Of Living Vs. Missouri
Six factors go into calculating the cost of living index in St. John. Here is how it fares on each of the criteria:
The Services index in St. John is 100.
The Groceries index in St. John is 100.
The Health index in St. John is 63.
The Housing index in St. John is 97.
The Transportation index in St. John is 91.
The Utilities index in St. John is 97.
| Living Expense | St. John | Missouri | National Average |
|---|---|---|---|
| Overall | 85 | 90 | 100 |
| Services | 100 | 97 | 100 |
| Groceries | 100 | 98 | 100 |
| Health | 63 | 76 | 100 |
| Housing | 97 | 95 | 100 |
| Transportation | 91 | 94 | 100 |
| Utilities | 97 | 96 | 100 |
St. John 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. John Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
St. John, 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. John is $137,115.
The Median Rent in St. John is $1,159.
The Median Income in St. John is $53,755.
The Home Value To Income in St. John is 2.6x.
The Rent To Monthly Income in St. John is 0.26x.
St. John, MO Costs By Category
Detailed St. John Services costs vs. Missouri
Detailed St. John Groceries costs vs. Missouri
Detailed St. John Health costs vs. Missouri
Detailed St. John Transportation costs vs. Missouri
St. John SnackAbility
Cost Of Living In Cities Around St. John
The cost of living varies in the cities and towns around St. John. Here's a quick look at the cost of living in the most populous nearby places:
Chesterfield, MO has a cost of living index of 121, 1.4x St. John.
Wildwood, MO has a cost of living index of 122, 1.4x St. John.
Ballwin, MO has a cost of living index of 109, 1.3x St. John.
| City | Population | Cost Of Living | Vs. St. John |
|---|---|---|---|
| Chesterfield, MO | 49,574 | 121 | 1.4x |
| Wildwood, MO | 35,133 | 122 | 1.4x |
| Ballwin, MO | 31,279 | 109 | 1.3x |
| Edwardsville, IL | 26,474 | 104 | 1.2x |
| Collinsville, IL | 24,031 | 91 | 1.1x |
| Godfrey, IL | 17,712 | 94 | 1.1x |
| Overland, MO | 15,695 | 89 | 1.0x |
| Glen Carbon, IL | 13,977 | 106 | 1.2x |
| Columbia, IL | 11,127 | 103 | 1.2x |
| Wood River, IL | 10,279 | 86 | 1.0x |








