St. Marys city, Ohio Demographics & Population 2026
As of 2026, St. Marys city, Ohio has a total population of 8,319, the 214th largest city in Ohio, with a median household income of $72,056, which is 3% higher than the state average. The poverty rate is 9.7%.
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.9x.
- Near full employment with an unemployment rate of just 1.7%.
St. Marys city Quick Facts
How St. Marys city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 39 | National average: 60
Education
Educational Attainment (Adults 25+)
St. Marys city Rankings in Ohio
Explore Ohio Rankings
Cities Similar to St. Marys city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Orrville city | 8,361 | $70,103 | $178,500 | 27.2% | 14.3% |
| Napoleon city | 8,561 | $73,417 | $139,500 | 18.7% | 8.5% |
| Oberlin city | 8,054 | $73,775 | $207,500 | 54.6% | 18.8% |
| Blacklick Estates CDP | 8,867 | $70,869 | $152,000 | 11.0% | 10.0% |
| North Madison CDP | 8,309 | $60,875 | $146,200 | 15.0% | 9.3% |
Population Overview
St. Marys city is a small city located in Ohio. The total population is 8,319. It ranks as the 214th most populous out of 1,264 cities and towns in Ohio.
Age Demographics
The median age in St. Marys city is 36.2 years. This is 9% lower than the state median of 39.6 years.
Economy, Income & Housing
The median household income in St. Marys city is $72,056. This is 3% higher than the state median of $69,680. Compared to the national median of $78,538, household income here is 8% lower. The poverty rate stands at 9.7%. This is 27% lower than the state poverty rate of 13.2%. The unemployment rate is 1.7%. This is 65% lower than the state rate of 4.9%. The median home value is $138,500. Housing costs are 30% lower than the state median of $199,200. With a home-value-to-income ratio of just 1.9x, St. Marys city is one of the most affordable housing markets in the area. 73.6% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 67.0%.
Race & Ethnicity
St. Marys city has a predominantly White (non-Hispanic) population, comprising 94.4% of all residents. Black or African American residents account for 1.4%. The Black or African American population (1.4%) is well below the state average of 12.1%. The Hispanic or Latino population (0.9%) is well below the state average of 4.6%. The Asian population (0.5%) is well below the state average of 2.4%.
Education
14.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 54% lower than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.2%.
Data Sources & Methodology
All demographic data for St. Marys city, Ohio is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. For official data, visit data.census.gov.
Free data download: Get all Ohio city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of St. Marys city, Ohio?
St. Marys city, Ohio has a population of 8,319 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Marys city, OH?
The median household income in St. Marys city is $72,056, which is 8% lower the national median of $78,538.
What is the poverty rate in St. Marys city, OH?
The poverty rate in St. Marys city is 9.7%. This means approximately 797 residents live below the federal poverty line.
What is the racial makeup of St. Marys city, Ohio?
St. Marys city's population is 94.4% White, 1.4% Black, 0.9% Hispanic/Latino, and 0.5% Asian.
What is the median home value in St. Marys city, OH?
The median home value in St. Marys city is $138,500. The home-value-to-income ratio is 1.9x.
How educated is St. Marys city, Ohio?
14.2% of adults (25+) in St. Marys city hold a bachelor's degree or higher, and 4.8% hold a graduate or professional degree.