| ZIP Codes: | 7 ZIP Codes (0 Standard, 7 PO Box, 0 Unique) [See All] |
| Area Code: | 907 |
| Timezone: | Alaska (GMT -09:00) |
| Local Time: | 2:11:16 PM |
| Population: | 5,093 [See All] |
| FIPS: | 02016 |
| Land Area: | 641 sq mi |
| Water Area: | 19 sq mi |
| Coordinates: | 54.0788, -170.3439 |
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5,093 residents live across 7 ZIPs covering 641 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 5,395 to 5,093 from 2014 to 2024 — a -5.6% change. 2 ZIPs gained residents, 5 lost.
The borough's wealthiest ZIP 99546 (Adak, $250,001 median) and poorest ZIP 99692 (Dutch Harbor, $110,625) are 439.6 miles apart — a 2.3× income gap across local geography.
Median home values vary 4.9× across this borough — from $95,000 in 99591 (Saint George Island) to $462,400 in 99685 (Unalaska).
Density varies 1107× across the borough — from 0 people/sq mi in 99546 (Adak) to 241 in 99692 (Dutch Harbor).
Educational attainment ranges from 13.3% bachelor's+ in 99692 (Dutch Harbor) to 19.1% in 99685 (Unalaska) — the breadth of educational profiles across the area.
Within Alaska, this is the #16 most populous of 30 boroughs and ranks #1 for median household income .
On the national stage, Aleutians West Borough is ranks #11 for income .
Weighted by population, the typical household earns about $135,076 across the borough — reflecting what a typical resident sees, not a simple ZIP average.
17.8% of adults age 25+ hold a bachelor's degree or higher (728 of 4,089 reporting).
0 Standard delivery, 7 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.
Aleutians West Borough lost 5.6% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 99685 | Unalaska | PO Box | 3,747 | $135,759 | 54.1 | -13.3% |
| 99692 | Dutch Harbor | PO Box | 809 | $110,625 | 3.4 | 276.3% |
| 99660 | Saint Paul Island | PO Box | 378 | $158,438 | 44.4 | -38.2% |
| 99546 | Adak | PO Box | 73 | $250,001 | 335.4 | -36.0% |
| 99591 | Saint George Island | PO Box | 70 | — | 35.0 | 112.1% |
| 99547 | Atka | PO Box | 15 | — | 148.6 | -77.3% |
| 99638 | Nikolski | PO Box | 1 | — | 20.4 | -97.1% |