Demographics in St. Marys, KS

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

2,795

Male

1,433

51.3%

Female

1,362

48.7%

Median Age

25.8

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)
White
88.5%
Black
0.7%
Hispanic
8.2%
Asian
1.0%
Two or More
6.8%
Other
2.7%

Education & Household

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

Bachelor's or Higher

11.3%

High School or Higher

28.7%

Foreign Born

2.1%

Veterans

7.0%

Married

37.9%

Avg Household Size

3.3

Marital Status by Age

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

St. Marys, KS has a population of 2,795 with a median age of 25.8. The racial makeup is 88.5% White, 8.2% Hispanic, 0.7% Black, 1.0% Asian. About 11.3% of residents hold a bachelor's degree or higher. The foreign-born population is 2.1%.