St. Marys township

County:: Auglaize County
County Seat:: No
Area (mi²):: 36.844
State:: Ohio

St. Marys township is located in Auglaize County, Ohio. St. Marys township has a 2025 population of 10,959. St. Marys township is currently declining at a rate of -0.23% annually and its population has decreased by -1.3% since the most recent census, which recorded a population of 11,103 in 2020.

The average household income in St. Marys township is $77,075 with a poverty rate of 8.9%.The median age in St. Marys township is 40.1 years: 38.7 years for males, and 41.6 years for females.

Demographics

The racial composition of St. Marys township includes 94.93% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	10,498	94.93%
Two or more races	377	3.41%
Black or African American	117	1.06%
Asian	59	0.53%
Other race	6	0.05%
Native American	2	0.02%

St. Marys township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Marys township's average per capita income is $46,377. Household income levels show a median of $71,042. The poverty rate stands at 8.9%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$93,454	-
Families	$88,198	$96,807
Households	$71,042	$77,075
Non Families	$43,904	$49,146

$46,377

Average Income

$71,042

Median Household Income

8.9%

Poverty Rate