St. Marys city, Pennsylvania
Population estimates, July 1, 2025, (V2025) 12,253
People
Population
Population estimates, July 1, 2025, (V2025) 12,253
Population estimates, July 1, 2024, (V2024) 12,361
Population estimates base, April 1, 2020, (V2025) 12,736
Population estimates base, April 1, 2020, (V2024) 12,739
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -3.8%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -3.0%
Population, Census, April 1, 2020 12,738
Population, Census, April 1, 2010 13,070
Age and Sex
Persons under 5 years, percent 4.8%
Persons under 18 years, percent 16.5%
Persons 65 years and over, percent 26.8%
Female persons, percent 51.4%
Race and Hispanic Origin
White alone, percent 94.8%
Black alone, percent(a) 1.3%
American Indian and Alaska Native alone, percent(a) 0.0%
Asian alone, percent(a) 0.2%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.0%
Two or More Races, percent 3.4%
Hispanic or Latino, percent(b) 1.6%
White alone, not Hispanic or Latino, percent 93.8%
Population Characteristics
Veterans, 2020-2024 611
Foreign-born persons, percent, 2020-2024 1.4%
Housing
Housing Units, July 1, 2025, (V2025) X
Owner-occupied housing unit rate, 2020-2024 77.6%
Median value of owner-occupied housing units, 2020-2024 $149,000
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,142
Median selected monthly owner costs - without a mortage, 2020-2024 $489
Median gross rent, 2020-2024 $762
Building Permits, 2025 X
Families & Living Arrangements
Households, 2020-2024 5,692
Persons per household, 2020-2024 2.15
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.1%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 2.2%
Computer and Internet Use
Households with a computer, percent, 2020-2024 88.7%
Households with a broadband Internet subscription, percent, 2020-2024 86.2%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 95.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 21.4%
Health
With a disability, under age 65 years, percent, 2020-2024 14.3%
Persons without health insurance, under age 65 years, percent 1.5%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 62.2%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 54.5%
Total accommodation and food services sales, 2022 ($1,000)(c) 31,624
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 143,494
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) D
Total retail sales, 2022 ($1,000)(c) 206,031
Total retail sales per capita, 2022(c) $16,461
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 14.2
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $67,167
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $37,323
Persons in poverty, percent 7.8%
Businesses
Businesses
Total employer establishments, 2023 X
Total employment, 2023 X
Total annual payroll, 2023 ($1,000) X
Total employment, percent change, 2022-2023 X
Total nonemployer establishments, 2023 X
All employer firms, Reference year 2023 X
Male-owned employer firms, Reference year 2023 X
Female-owned employer firms, Reference year 2023 X
Minority-owned employer firms, Reference year 2023 X
Nonminority-owned employer firms, Reference year 2023 X
Veteran-owned employer firms, Reference year 2023 X
Nonveteran-owned employer firms, Reference year 2023 X
Geography
Geography
Population per square mile, 2020 128.3
Population per square mile, 2010 131.6
Land area in square miles, 2020 99.32
Land area in square miles, 2010 99.32
FIPS Code 4267344