St. Marys Population

2010–2026

1,724

2026 projection

6.1% since 2020 (decrease)

05001K1.5K2K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for St. Marys. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,724-221.26%
20251,746-20.11%
20241,748-211.19%
20231,769-392.16%
20221,808-140.77%
20211,822-140.76%
20201,836+834.73%
20191,753-251.41%
20181,778+20.11%
20171,776-110.62%

Showing 10 of 17 years.

St. Marys Demographics

44.9median age

Median age

Female44.3 yrs
Male45.1 yrs

Adults

1,799
401 seniors · 22%1,398 other adults

Sex

Female 50.5% · 1,098Male 49.5% · 1,076

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 22 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

St. Marys Income

$63,547median household income

Median household income

$63,547

Half of households earn more, half earn less

Median earnings

$39,338

Typical yearly pay for a worker 25 or older.

Poverty rate

6.7%

About 1 in 15 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

St. Marys Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%48%46%
Never married30%34%27%
Divorced18%16%19%
Widowed3%1%4%
Separated3%1%4%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201