What is the cost of living in St. Marys, OH?
According to the most recent data on the cost of living, St. Marys has an overall cost of living index of 90, which is 0.9x lower than the national index of 100.
Compared to Ohio, St. Marys has a cost of living index that's 1.0x lower than Ohio's index of 90.
The standard of living in St. Marys ranks as #122 most affordable out of the 284 places we measured in Ohio. By definition, that implies St. Marys ranks as the #162 most expensive place in the Buckeye State.
For more reading on life in St. Marys, check out:
St. Marys Cost Of Living Vs. Ohio
Six factors go into calculating the cost of living index in St. Marys. Here is how it fares on each of the criteria:
The Services index in St. Marys is 99.
The Groceries index in St. Marys is 96.
The Health index in St. Marys is 70.
The Housing index in St. Marys is 95.
The Transportation index in St. Marys is 99.
The Utilities index in St. Marys is 94.
| Living Expense | St. Marys | Ohio | National Average |
|---|---|---|---|
| Overall | 90 | 90 | 100 |
| Services | 99 | 97 | 100 |
| Groceries | 96 | 97 | 100 |
| Health | 70 | 75 | 100 |
| Housing | 95 | 97 | 100 |
| Transportation | 99 | 95 | 100 |
| Utilities | 94 | 97 | 100 |
St. Marys Cost Of Living Compared To Ohio Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Ohio, check out:
Protect your home budget Compare home warranties in St. Marys Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
St. Marys, OH Housing Cost Breakdown
Housing swings affordability the most between places in Ohio, 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. Marys is $204,180.
The Median Rent in St. Marys is $848.
The Median Income in St. Marys is $79,516.
The Home Value To Income in St. Marys is 2.6x.
The Rent To Monthly Income in St. Marys is 0.13x.
St. Marys, OH Costs By Category
Detailed St. Marys Services costs vs. Ohio
Detailed St. Marys Groceries costs vs. Ohio
Detailed St. Marys Health costs vs. Ohio
Detailed St. Marys Transportation costs vs. Ohio
St. Marys SnackAbility
Cost Of Living In Cities Around St. Marys
The cost of living varies in the cities and towns around St. Marys. Here's a quick look at the cost of living in the most populous nearby places:
Huber Heights, OH has a cost of living index of 90, 1.0x St. Marys.
Vandalia, OH has a cost of living index of 89, 1.0x St. Marys.
Englewood, OH has a cost of living index of 88, 1.0x St. Marys.
| City | Population | Cost Of Living | Vs. St. Marys |
|---|---|---|---|
| Huber Heights, OH | 43,455 | 90 | 1.0x |
| Vandalia, OH | 15,053 | 89 | 1.0x |
| Englewood, OH | 13,356 | 88 | 1.0x |
| Clayton, OH | 13,277 | 93 | 1.0x |
| Celina, OH | 10,903 | 88 | 1.0x |
| Wapakoneta, OH | 9,894 | 85 | 0.9x |
| Northridge, OH | 7,817 | 90 | 1.0x |
| Brookville, OH | 5,779 | 91 | 1.0x |








