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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	248	96.88%
Two or more races	7	2.73%
Other race	1	0.39%

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