St. Petersburg Flag

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 2026 population of 330. St. Petersburg is currently declining at a rate of -0.3% annually and its population has decreased by -2.08% since the most recent census, which recorded a population of 337 in 2020.

330
Total Population
1,034
Density (mi²)
-1 -0.3%
Growth