St. Marys, PA

Pennsylvania

St. Marys is a small city in Pennsylvania with a population of 12,612. Residents earn $64,471 per year, which is 14% below the national average.

3.1 /5.0
B Good
12,612 Population 127/sq mi density
$64,471 Median Income $36,888 per capita
$143,900 Home Value
$756 Median Rent
48°F Avg Temperature
70 Violent Crime/100K 1,856 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$64,471 median income, 5.4% unemployment
A+
Affordability
5.0 / 5.0
$143,900 home value, $756/mo rent
F
Safety
1.0 / 5.0
70 violent crimes/100K (82% below avg)
C+
Education
2.6 / 5.0
20.5% bachelor's degree or higher
Median Income $64,471
14% lower than US avg
Home Value $143,900
49% lower than US avg
Violent Crime 70/100K
82% lower than US avg
Bachelor's+ 20.5%
39% lower than US avg
Median Rent $756
35% lower than US avg
Unemployment 5.4%
50% higher than US avg
Poverty Rate 3.1%
75% lower than US avg

How St. Marys Compares to the U.S. Average (100% = U.S. avg)

People

Population12,612
Median Age50.3 yrs
Density127/mi²
Male / Female48% / 52%
Largest GroupWhite 94%

Economy

B+
Median Income$64,471
Per Capita$36,888
Unemployment5.4%
Poverty3.1%
County GDP$1,830M
Commute13 min

Housing

A+
Home Value$143,900
Rent$756
OwnershipN/A

Crime

F
Violent70/100K
Property1,856/100K
Murder0.0/100K
Assault54/100K
Burglary311/100K

Health

ObesityN/A
UninsuredN/A

Climate

Avg Temp48°F
AQI40 (Good)
Rain45.6 in/yr
Elevation1,713 ft

Education

C+
Bachelor's+20.5%
High School+94.5%
School Score5.95

Community

2024 VoteR 73% / D 26%
Commute13 min
EV Stations1
Libraries4

Is St. Marys a Good Place to Live?

Based on current data, St. Marys receives an overall livability score of 3.1 out of 5.0, earning a grade of B. Key strengths include low crime rates, affordable housing, a low poverty rate, high health insurance coverage. Areas to be aware of include above-average unemployment. St. Marys offers a solid quality of life with a good balance of affordability, safety, and opportunity.

Economy & Jobs

The median household income in St. Marys is $64,471, 14% below the national average of $75,149. The unemployment rate of 5.4% is somewhat elevated compared to the national rate of 3.6%. Only 3.1% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 13 minutes, shorter than most U.S. cities.

Cost of Living & Housing

The median home value in St. Marys is $143,900, 49% below the national median — offering relatively affordable homeownership. Renters pay a median of $756 per month, below the national average — a plus for affordability. At just 2.2x median income, home prices are very affordable relative to local earnings.

Safety & Crime

St. Marys is a very safe community with a violent crime rate of 70 per 100,000 residents — well below the national average of 380. Property crime occurs at a rate of 1,856 per 100,000, near the national average.

Education

20.5% of residents hold a bachelor's degree, below the national average of 33.7%. 94.5% have completed high school. Area schools have an average test score of 5.9/10.

Climate & Weather

St. Marys experiences four distinct seasons with an average temperature of 48°F. Winters average 25°F in January while summers reach 69°F in July. Annual precipitation totals 45.6 inches, including 52.7 inches of snow. Air quality is rated Good with a median AQI of 40.

St. Marys has a population of 12,612 with a density of 127 people per square mile. The median age is 50.3 years, 29% older than the national median of 38.9. The city is predominantly White (94.2%), with 1.7% Black.

Population

12,612
Total Population
127
People / sq mi
50.3yrs
Median Age
29% above US avg
99.3mi²
Land Area

Gender Distribution

Male 47.7%
Female 52.3%

Race & Ethnicity

St. Marys vs U.S. Average

Language Spoken at Home

English Only98.0%
25% above US avg
Spanish2.0%
85% below US avg

Social Characteristics

St. Marys vs U.S. Average

The median household income in St. Marys is $64,471, which is 14% below the national average of $75,149. The unemployment rate is 5.4% (above the 3.6% US average). 3.1% of residents live below the poverty line. Workers commute an average of 13 minutes.

Income: St. Marys vs U.S.

Commute Mode

Income

Median HH Income$64,471
14% below US avg
Per Capita Income$36,888
Avg Weekly Wage$1,010
IRS Avg AGI$64,272

Employment & Poverty

Unemployment5.4%
50% above US avg
Poverty Rate3.1%
75% below US avg
Establishments (County)960
County GDP$1,830M

Business (County)

Restaurants82
Healthcare114
Retail121
Manufacturing132

Tax & Cost of Living

Property Tax (IRS)$4,322
23% above US avg
Effective Tax Rate3.00%

Commute & Transportation

Commute Time13.3 min
Work from Home1.2%

Walkability

The median home value in St. Marys is $143,900, 49% below the national average. Monthly rent averages $756 (35% below US avg).

Home Value Sources

Ownership Split

Home Values

Census Median$143,900
49% below US avg

Real Estate Market (Redfin)

Rental Costs

Census Median Rent$756
35% below US avg

HUD Fair Market Rent

Studio$900
1 Bedroom$996
2 Bedrooms$1,225
3 Bedrooms$1,570
4 Bedrooms$1,744

Ownership & Property

Owner-Occupied75.7%

Property Tax

Avg Tax (IRS)$4,322
23% above US avg
Effective Rate3.00%

Health Metrics: St. Marys vs U.S. Average (%)

Chronic Conditions

Behaviors & Mental Health

Healthcare Access

Insurance Rate97.8%
Premature Death9,196/100K

Food & Exercise

Food Environment8.4/10
Exercise Access75.6%
Healthcare Facilities114
St. Marys has a violent crime rate of 70 per 100,000 residents, 82% below the national average of 380. Property crime stands at 1,856 per 100,000 (5% below US avg). The murder rate is 0.0 per 100,000.

Crime Rates: St. Marys vs U.S. Average (per 100,000)

Violent Crime

Total Violent69.9/100K
82% below US avg
Murder0.0/100K
100% below US avg
Rape7.8/100K
Robbery7.8/100K
Assault54.4/100K

Property Crime

Total Property1,855.7/100K
5% below US avg
Burglary310.6/100K
Theft1,498.6/100K
Vehicle Theft46.6/100K
Arson0.0/100K

Traffic Safety

Fatal Crashes (County/yr)2

Safety Score

Safety GradeF
Safety Score1.0 / 5.0
St. Marys has an average annual temperature of 48°F (9°C). Winters average 25°F in January while summers reach 69°F in July. Annual precipitation is 45.6 inches. Air quality is rated Good with a median AQI of 40.

Temperature

25°F Jan (-4°C) 69°F Jul (20°C)
Annual Average47.6°F
12% below US avg
January Average25°F (-4°C)
July Average69°F (20°C)

Precipitation & Snow

Annual Rainfall45.6 inches
20% above US avg
Snowfall52.7 inches/yr

Air Quality

AQI Median40.0
RatingGood

Geography

Elevation1,713 ft (522 m)
Area99.3 sq mi (257.2 km²)
Population Density127/sq mi
Coordinates41.4550°N, 78.5202°W
County FIPS42047
It is classified as Nonmetro — Urban 2.5K–20K. 20.5% of residents hold a bachelor's degree or higher (39% below US avg). In the 2024 election, the county voted Republican by a 47-point margin.

2024 Presidential Election (County)

R 73.1%
D 26.1%

Winner: Republican by 47 points

Education

Bachelor's Degree+20.5%
39% below US avg
High School+94.5%
School Test Score5.95
C+ Education Grade (2.6/5.0)

Urban-Rural Classification

RUCC Code 7Nonmetro — Urban 2.5K–20K
Population Density127/sq mi
Total Area99.3 sq mi

Infrastructure & Services

EV Charging Stations1
Alt Fuel Stations1
Public Libraries4
Healthcare Facilities114
Restaurants82
Retail Stores121

Safety & Disasters

Fatal Crashes (County/yr)2
F Safety Grade (1.0/5.0)

Commute & Transportation

Avg Commute13.3 min
Work from Home1.2%

Nearby Cities

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