County ProfileAK
Petersburg County
Population: 3,398 · 3 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
3,398
People
Median age
45.7
Housing
Total households
1,371
Income
Median household income
$75,125
Housing
Total housing units
1,863
Employment
Employment rate
60.2%
Education
Bachelor’s degree or higher
25.8%
Healthcare
Insured population
90.7%
County details
Local time 21:53:48(AKT)| Name | Petersburg |
|---|---|
| Total ZIP codes | 3total |
| ZIP codes (by type) | 3 PO Box |
| Area code | 907 |
| Timezone | Alaska Time (AKT) |
| Coordinates | 57.1124581, -133.0085979 |
| Land area | 2,900.9 sq miles(7,513.3 km²) |
Map of Petersburg county, Alaska with ZIP codes
Cities and Communities in Petersburg County
Compare the largest cities in Petersburg County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Petersburg | 3,043 | $71,369 | 1ZIPs |
| Kake | 543 | $52,159 | 1ZIPs |
| Port Alexander | 78 | $57,813 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Petersburg County
Review the most populated postal areas across Petersburg County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 99833 | Petersburg | $75,125 | 3,393 |
| 99830 | Kake | $52,159 | 545 |
| 99836 | Port Alexander | $57,813 | 78 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS