St. Marys Flag

St. Marys

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

St. Marys is located in Auglaize County, Ohio. St. Marys has a 2025 population of 11,021 . St. Marys is currently declining at a rate of -0.24% annually and its population has decreased by -0.76% since the most recent census, which recorded a population of 11,105 in 2020.

The average household income in St. Marys is $77,075 with a poverty rate of 8.9%. The median age in St. Marys is 40.1 years: 38.7 years for males, and 41.6 years for females. For every 100 females there are 87.8 males.

11K
Total Population
299
Density (mi²)
-27 -0.24%
Growth

St. Marys Population

St. Marys Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (94.93%)

Two or more races (3.41%)

Black or African American (1.06%)

Asian (0.53%)

Other race (0.05%)

Native American (0.02%)

Race
Population
Percentage (of total)
White10,49894.93%
Two or more races3773.41%
Black or African American1171.06%
Asian590.53%
Other race60.05%
Native American20.02%

St. Marys Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Marys' 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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)