St. Marys, OH
Population 8,319 · Ohio
About St. Marys, OH
St. Marys is a small community in Ohio with a population of 8,319 residents. The median household income is $72,056 per year, which is above the national average. The median age in St. Marys is 36.2 years.
Housing in St. Marys has a median home value of $138,500 and median monthly rent of $835. Of the 3,794 total housing units, the majority are owner-occupied, with 2,569 owner-occupied and 921 renter-occupied units.
The unemployment rate in St. Marys is 1.7% and the poverty rate is 9.7%. 14.2% of residents hold a bachelor's degree or higher. The average commute time is 16 minutes.
Cost of Living in St. Marys, OH
Compared to national averages, St. Marys has a median household income of $72,056 (4% below the national median of $75,149). Home values average $138,500, which is 43% below the national median. Monthly rent at $835 is 28% below the US average of $1,163. Within Ohio, St. Marys's income is 0% above the state average of $71,814, and home values are 21% below the state median of $174,449.
Why Live in St. Marys, OH?
St. Marys offers affordable housing with a median home value of $138,500, below the US average of $244,900, and rent that’s lower than the national average at $835/month, and a strong job market with an unemployment rate of just 1.7%. Additionally, the city features a low poverty rate of 9.7%, better than the national average, and short commute times averaging just 16 minutes.
Potential considerations include median household income ($72,056) that falls below the national average. However, St. Marys’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
St. Marys has a population of 8,319 with a median age of 36.2 years. Compare St. Marys with other cities to see how it stacks up, or explore all cities in Ohio.
Similar Cities Near St. Marys
Cities in Ohio with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| North Madison | 8,309 | $60,875 | $146,200 | Compare |
| Eaton | 8,353 | $51,731 | $134,700 | Compare |
| Orrville | 8,361 | $70,103 | $178,500 | Compare |
| Grandview Heights | 8,422 | $113,862 | $548,100 | Compare |
| Bellevue | 8,201 | $57,534 | $130,100 | Compare |
| Kenwood | 8,484 | $105,694 | $335,000 | Compare |
| Napoleon | 8,561 | $73,417 | $139,500 | Compare |
| Oberlin | 8,054 | $73,775 | $207,500 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Ohio
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about St. Marys
What is the population of St. Marys, OH?
The population of St. Marys, OH is 8,319 according to the latest Census data.
What is the median household income in St. Marys?
The median household income in St. Marys, OH is $72,056 per year.
What is the median home value in St. Marys?
The median home value in St. Marys, OH is $138,500.
What is the average rent in St. Marys?
The median monthly rent in St. Marys, OH is $835.
What is the unemployment rate in St. Marys?
The unemployment rate in St. Marys, OH is 1.7%.