St Petersburg

County:: Clarion County
County Seat:: No
Area (mi²):: 0.319
State:: Pennsylvania

St. Petersburg is a borough located in Clarion County, Pennsylvania. St. Petersburg has a 2025 population of 327. St. Petersburg is currently declining at a rate of -0.61% annually and its population has decreased by -3.54% since the most recent census, which recorded a population of 339 in 2020.

The average household income in St. Petersburg is $68,954 with a poverty rate of 8.2%. The median age in St. Petersburg is 54.2 years: 52 years for males, and 54.8 years for females.

Demographics

The racial composition of St. Petersburg includes 96.88% White, and smaller percentages for Two or more races, other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	248	96.88%
Two or more races	7	2.73%
Other race	1	0.39%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

St. Petersburg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Petersburg's average per capita income is $40,469. Household income levels show a median of $59,792. The poverty rate stands at 8.2%.

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	$79,375	-
Families	$74,167	$82,050
Households	$59,792	$68,954
Non Families	$44,250	$46,411

$40,469

Average Income

$59,792

Median Household Income

8.2%

Poverty Rate