Cost of Living in St. Marys, OH

With a cost of living index of 69, St. Marys, OH is one of the most affordable cities in the country. Living here is 31% cheaper than the national average and 9% below the Ohio state average of 78. St. Marys is a smaller community of 8,319 residents, where everyday costs can differ substantially from nearby larger cities.

Housing costs are the biggest factor in St. Marys's cost of living. The median monthly rent is $835 (37% below the US median of $1,319), and the median home value sits at $138,500 (55% below the national median of $304,900). At current prices, the median home costs roughly 1.9x the median household income — well within traditional affordability guidelines.

The median household income in St. Marys is $72,056, which is 4% lower than the national median of $75,149. Residents spend roughly 14% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.