Demographics in St. Marys, OH

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is St. Marys?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

8,319

Male

3,778

45.4%

Female

4,541

54.6%

Median Age

36.2

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

94.9%

Black

1.4%

Hispanic

0.9%

Asian

0.5%

Two or More

3.1%

Other

0.1%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

9.4%

High School or Higher

39.3%

Foreign Born

0.9%

Veterans

6.1%

Married

42.8%

Avg Household Size

2.4

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

St. Marys, OH has a population of 8,319 with a median age of 36.2. The racial makeup is 94.9% White, 0.9% Hispanic, 1.4% Black, 0.5% Asian. About 9.4% of residents hold a bachelor's degree or higher. The foreign-born population is 0.9%.