St. Petersburg is a borough located in Clarion County, Pennsylvania. St. Petersburg has a 2026 population of 326. St. Petersburg is currently declining at a rate of -0.61% annually and its population has decreased by -3.26% since the most recent census, which recorded a population of 337 in 2020.
The median household income in St. Petersburg is $70,750 with a poverty rate of 8.99%. The median age in St. Petersburg is 50.8 years: 38.9 years for males, and 54.8 years for females. For every 100 females there are 105.4 males.
Data after 2023 is projected based on recent change
Overall: 50.8 years
Female: 54.8 years
Male: 38.9 years
There are 233 adults, (76 of whom are seniors) in St. Petersburg.
Female: 130 (48.7%)
Male: 137 (51.3%)
The racial composition of St. Petersburg includes 95.88% White, and smaller percentages for other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 256 | 95.88% |
| Two or more races | 9 | 3.37% |
| Other race | 2 | 0.75% |
St. Petersburg 's average per capita income is $53,750. Household income levels show a median of $70,750. The poverty rate stands at 8.99%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,500 | - |
| Families | $101,667 | $103,956 |
| Households | $70,750 | $80,996 |
| Non Families | $40,000 | $45,254 |
Average Income
Median Household Income
Poverty Rate