Petersburg Borough's 2026 population is estimated at 3,370, reflecting a -0.71% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Petersburg Borough is the 21st largest borough/census area in Alaska. The 2010 population was 3,219 and has grown 4.69% since 2010.
Overall: 45.7 years
Female: 47.3 years
Male: 44.6 years
There are 2,776 adults, (802 of whom are seniors) in Petersburg Borough.
Female: 1,567 (46%)
Male: 1,842 (54%)
The racial composition of Petersburg Borough includes 63.36% White, 12.44% Asian, 7.66% Native American, 3.55% other race, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 2,160 | 63.36% |
| Asian | 424 | 12.44% |
| Two or more races | 390 | 11.44% |
| Native American | 261 | 7.66% |
| Other race | 121 | 3.55% |
| Black or African American | 45 | 1.32% |
| Native Hawaiian or Pacific Islander | 8 | 0.23% |
Petersburg Borough 's average per capita income is $47,426. Household income levels show a median of $75,125. The poverty rate stands at 6.97%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,250 | - |
| Families | $90,246 | $111,664 |
| Households | $75,125 | $90,716 |
| Non Families | $46,750 | $54,143 |
Average Income
Median Household Income
Poverty Rate