How many people live in Petersburg Borough, AK?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 3,400 people living in Petersburg Borough, AK. That makes Petersburg Borough the 21st-most populous borough or district in Alaska. It is home to 0.47% of people living in the state.
3.44K
population of Petersburg Borough, AK (2024)
0.47%
County share of the Alaska population (2024)
About 3,400 people lived in Petersburg Borough, AK in 2024.
Population estimates, 2010–2024
What are Petersburg Borough, AK’s age demographics?
About 773 Petersburg Borough, AK residents are aged 65 and older in 2024. That represents 22.5% of its population. For comparison, the age group represents 15.2% of Alaska’s population and 18% in the US overall.
Another 662 Petersburg Borough, AK residents, or 19.3% of the population, were children under 18. For comparison, the age group represents 24.3% of Alaska’s population and 21.6% in the US overall.
A higher share of Petersburg Borough, AK's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Petersburg Borough, AK’s racial and ethnic demographics?
Non-Hispanic white residents make up 67.5% of the Petersburg Borough, AK population, higher than the national share of 57.5%. Petersburg Borough, AK also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (9.8%) than the US overall (0.72%).
In contrast, Petersburg Borough’s Hispanic population accounts for 5.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 2.1% of the borough, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Petersburg Borough, AK has a higher share of a non-Hispanic white population than Alaska as a whole.
Population estimates by race and ethnicity, (2024)
Cities and towns in Petersburg Borough, AK ranked by population
Population (2024), includes only portions within boroughs or census area
| City or town | Population | |
|---|---|---|
| 1. | Kupreanof | 19 |
| 2. | Balance of Petersburg Borough | 3,417 |
Keep exploring
Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
