St. Marys township is located in Auglaize County, Ohio. St. Marys township has a 2026 population of 10,994. St. Marys township is currently declining at a rate of -0.24% annually and its population has decreased by -1% since the most recent census, which recorded a population of 11,105 in 2020.
The median household income in St. Marys township is $75,000 with a poverty rate of 6.85%. The median age in St. Marys township is 41.3 years: 38.8 years for males, and 44.6 years for females. For every 100 females there are 98.6 males.
Data after 2023 is projected based on recent change
Overall: 41.3 years
Female: 44.6 years
Male: 38.8 years
There are 8,683 adults, (2,236 of whom are seniors) in St. Marys township.
Female: 5,582 (50.4%)
Male: 5,503 (49.6%)
The racial composition of St. Marys township includes 91.68% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,163 | 91.68% |
| Two or more races | 737 | 6.65% |
| Black or African American | 142 | 1.28% |
| Asian | 25 | 0.23% |
| Other race | 15 | 0.14% |
| Native American | 3 | 0.03% |
St. Marys township 's average per capita income is $49,518. Household income levels show a median of $75,000. The poverty rate stands at 6.85%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,313 | - |
| Families | $93,500 | $109,852 |
| Households | $75,000 | $86,058 |
| Non Families | $46,081 | $52,138 |
Average Income
Median Household Income
Poverty Rate