| ZIP Codes: | 2 ZIP Codes (0 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Code: | 907 |
| Timezone: | Alaska (GMT -09:00) |
| Local Time: | 11:52:35 PM |
| Population: | 4,038 [See All] |
| FIPS: | 02195 |
| Land Area: | 1,735 sq mi |
| Water Area: | 836 sq mi |
| Coordinates: | 56.7143, -133.4574 |
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4,038 residents live across 2 ZIPs covering 1,735 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 3,804 to 4,038 from 2014 to 2024 — a +6.2% change. 2 ZIPs gained residents, 0 lost.
The borough's wealthiest ZIP 99833 (Petersburg, $75,125 median) and poorest ZIP 99830 (Kake, $52,159) are 51.7 miles apart — a 1.4× income gap across local geography.
Median home values vary 2.5× across this borough — from $124,600 in 99830 (Kake) to $315,100 in 99833 (Petersburg).
Density varies 34× across the borough — from 0 people/sq mi in 99830 (Kake) to 14 in 99833 (Petersburg).
Educational attainment ranges from 14.5% bachelor's+ in 99830 (Kake) to 25.8% in 99833 (Petersburg) — the breadth of educational profiles across the area.
Within Alaska, this is the #20 most populous of 30 boroughs and ranks #21 for median household income with the #6 fastest decade growth .
Weighted by population, the typical household earns about $71,548 across the borough — reflecting what a typical resident sees, not a simple ZIP average.
24.2% of adults age 25+ hold a bachelor's degree or higher (705 of 2,908 reporting).
0 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this borough.
A frontier borough — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this borough's population — a sign of a county built around a single city or town.