St. Marys Flag

St. Marys

County:
Elk County
County Seat:
No
Area (mi²):
99.316
State:
Pennsylvania

St. Marys is a city located in Elk County, Pennsylvania. St. Marys has a 2025 population of 12,271 . St. Marys is currently declining at a rate of -0.73% annually and its population has decreased by -3.53% since the most recent census, which recorded a population of 12,720 in 2020.

The average household income in St. Marys is $80,127 with a poverty rate of 8.43%. The median age in St. Marys is 50.3 years: 51.2 years for males, and 49.8 years for females. For every 100 females there are 91.1 males.

12.3K
Total Population
124
Density (mi²)
-90 -0.73%
Growth

St. Marys Population

St. Marys Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Marys includes 94.18% White, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White (94.18%)

Two or more races (3.45%)

Black or African American (1.73%)

Other race (0.29%)

Asian (0.28%)

Native Hawaiian or Pacific Islander (0.08%)

Race
Population
Percentage (of total)
White11,87894.18%
Two or more races4353.45%
Black or African American2181.73%
Other race360.29%
Asian350.28%
Native Hawaiian or Pacific Islander100.08%

St. Marys Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Marys' average per capita income is $41,787. Household income levels show a median of $64,471. The poverty rate stands at 8.43%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$92,192-
Families$85,034$103,673
Households$64,471$80,127
Non Families$32,264$42,750

$41,787

Average Income

$64,471

Median Household Income

8.43%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)