United States › Pennsylvania › St. Marys CITY · 2010 ACS
St. Marys Pennsylvania · 13,070 residents · 99.3 sq mi
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The short version
St. Marys is home to 13,070 people in Pennsylvania. The median age is 45.6, about 8 years above the US median. Owners hold 77% of the housing stock. 1% of people here were born outside the United States. The typical home is worth $111,900. The average commute runs 15 minutes.
At a glance
Lower income
below the US median
US median: $52,703
Older
median age 45.6
US median: 37.2
Less educated
19% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 39.4 in 2000
US average: 37.2
Population, 1990 – 2024
5K 7K 10K 13K 15K 1990 2000 2010 2020 2024 St. Marys Age distribution, 2010
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Section 02
Income & economy $45,802
−13%inflation adjusted, since 2000
from $41,593 in 2000
US average: $52,703
from $19,885 in 2000
US average: $27,286
Households earning $100K+
from 25.1% in 2009
US average: 33.3%
from 4.8% in 2000
US average: 13.8%
Workforce by industry, 2010
Transportation & warehousing 2.8%
Public administration 1.9%
Professional, scientific, technical 1.1%
Education & health services 1.1%
Arts, entertainment, food 0.9%
Agriculture, forestry, fishing 0.7%
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$111,900
+1%inflation adjusted, since 2000
from $87,900 in 2000
US average: $225,659
$540
−6%inflation adjusted, since 2000
from $454 in 2000
US average: $853
from 77.4% in 2000
23.1% rent
from 6.6% in 2009
US average: 12.1%
2.33 people
Unchangedsince 2009
from 2.32 people in 2009
US average: 2.60
from 16.6% in 2009
US average: 30.9%
from 43.4% in 2009
US average: 46.8%
from 2.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 98.6%(14,299)
Hispanic / Latino 0.3%(44)
2010
White, non-Hispanic 98.3%(12,842)
Hispanic / Latino 0.4%(52)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 14 more ancestry groups with data from 15.5% in 2000
US average: 27.9%
High school or higher
from 84.4% in 2000
US average: 84.9%
from 4.9% in 2000
US average: 10.2%
Section 06
Commute & transportation from 10.2 min in 2000
US average: 25.2
from 87.1% in 2009
US average: 76.2%
from 6.9% in 2009
US average: 10.4%
from 0.7% in 2009
US average: 4.7%
from 1.1% in 2009
US average: 4.1%
from 2.5% in 2009
US average: 2.8%
from 0.0% in 2009
US average: 0.5%
from 6.9% in 2009
US average: 8.7%
Section 07
Work & employment from 8.4% in 2009
US average: 12.9%
from 26.7% in 2009
US average: 35.2%
Section 08
People & community from 0.4% in 2009
US average: 12.8%
from 13.3% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 31.6%(1,704)
Women 15+
Never married 21.4%(1,154)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 6.1% in 2013
US average: 8.4%
from 58.6% in 2020
US average: 54.8%
Direct-purchase
from 19.7% in 2020
US average: 13.8%
from 27.9% in 2020
US average: 18.4%
from 21.4% in 2020
US average: 20.9%
VA health care
from 3.6% in 2020
US average: 2.2%
Any private
from 76.0% in 2020
US average: 67.1%
Any public
from 44.0% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 10.3%(63)
Gulf War (1990s) 10.5%(64)
Share of the 611 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to St. Marys Head to head
Compare St. Marys to nearby cities ST. MARYS VS
Warren
Income $53,815 +17%
Home value $103,800 −7%
Population 9,046 −26%
SEE FULL COMPARISON →
ST. MARYS VS
Olean
Income $51,261 +12%
Home value $86,100 −23%
Population 13,508 +10%
SEE FULL COMPARISON →
ST. MARYS VS
Park Forest
Income $79,120 +73%
Home value $389,600 +248%
Population 8,624 −30%
SEE FULL COMPARISON →
ST. MARYS VS
State College
Income $45,424 −1%
Home value $437,800 +291%
Population 40,844 +233%
SEE FULL COMPARISON →
Frequently asked
How many people live in St. Marys, Pennsylvania? St. Marys, Pennsylvania has about 13,070 residents according to the 2010 American Community Survey.
What is the median household income in St. Marys, Pennsylvania? The typical household in St. Marys, Pennsylvania earns about $45,802 a year. Half of households make more than that, and half make less.
Is St. Marys, Pennsylvania expensive? In St. Marys, Pennsylvania, the median home is worth about $111,900, and the typical rent is about $540 a month.
How educated are people in St. Marys, Pennsylvania? About 19.3% of adults age 25 and over in St. Marys, Pennsylvania hold a bachelor's degree or higher.
What is the poverty rate in St. Marys, Pennsylvania? About 11.4% of people in St. Marys, Pennsylvania live below the federal poverty line.
Has St. Marys, Pennsylvania grown since 1990? Yes, St. Marys, Pennsylvania has grown since 1990. The population has added about 7,559 residents, a change of about 137 percent over that period.
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