| ZIP Codes: | 27 ZIP Codes (0 Standard, 27 PO Box, 0 Unique) [See All] |
| Area Code: | 907 |
| Timezone: | Alaska (GMT -09:00) |
| Local Time: | 2:11:16 PM |
| Population: | 18,340 [See All] |
| FIPS: | 02050 |
| Land Area: | 21,321 sq mi |
| Water Area: | 179 sq mi |
| Coordinates: | 60.7161, -161.5776 |
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18,340 residents live across 27 ZIPs covering 21,321 sq mi, served by 27 distinct USPS-recognized cities.
Population moved from 17,550 to 18,340 from 2014 to 2024 — a +4.5% change. 14 ZIPs gained residents, 11 lost (and 1 held flat).
The borough's wealthiest ZIP 99559 (Bethel, $113,333 median) and poorest ZIP 99589 (Goodnews Bay, $26,875) are 116.0 miles apart — a 4.2× income gap across local geography.
Median home values vary 6.7× across this borough — from $51,000 in 99614 (Kipnuk) to $342,400 in 99559 (Bethel).
Density varies 187042× across the borough — from 0 people/sq mi in 99690 (Nightmute) to 5,545 in 99680 (Tuntutuliak).
Educational attainment ranges from 0.5% bachelor's+ in 99680 (Tuntutuliak) to 22.3% in 99559 (Bethel) — the breadth of educational profiles across the area.
Within Alaska, this is the #6 most populous of 30 boroughs and ranks #28 for median household income .
Weighted by population, the typical household earns about $75,531 across the borough — reflecting what a typical resident sees, not a simple ZIP average.
12.8% of adults age 25+ hold a bachelor's degree or higher (1,293 of 10,101 reporting).
0 Standard delivery, 27 PO Box only, 0 single-entity Unique ZIPs serve this borough.
Median household income spans 4.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 99559 | Bethel | PO Box | 7,241 | $113,333 | 228.5 | -7.3% |
| 99655 | Quinhagak | PO Box | 1,311 | $50,208 | 5.5 | 112.8% |
| 99621 | Kwethluk | PO Box | 975 | $51,917 | 21.9 | 27.8% |
| 99637 | Toksook Bay | PO Box | 833 | $57,083 | 10.5 | 28.2% |
| 99551 | Akiachak | PO Box | 736 | $30,000 | 111.2 | 24.7% |
| 99557 | Aniak | PO Box | 714 | $74,286 | 13,689.9 | 0.0% |
| 99614 | Kipnuk | PO Box | 706 | $45,250 | 22.0 | 0.9% |
| 99609 | Kasigluk | PO Box | 698 | $60,833 | 6.9 | 30.0% |
| 99634 | Napakiak | PO Box | 692 | $43,750 | 22.2 | 89.6% |
| 99561 | Chefornak | PO Box | 620 | $51,818 | 6.0 | 30.8% |
| 99641 | Nunapitchuk | PO Box | 618 | $43,438 | 8.9 | 34.6% |
| 99622 | Kwigillingok | PO Box | 545 | $56,250 | 256.8 | 67.7% |
| 99680 | Tuntutuliak | PO Box | 514 | $44,583 | 0.1 | 17.6% |
| 99681 | Tununak | PO Box | 384 | $54,306 | 77.8 | 29.3% |
| 99552 | Akiak | PO Box | 377 | $78,929 | 6.8 | -7.4% |
| 99630 | Mekoryuk | PO Box | 287 | $28,542 | 7.7 | 62.1% |
| 99626 | Lower Kalskag | PO Box | 239 | $30,500 | 1.8 | -28.4% |
| 99607 | Kalskag | PO Box | 239 | $47,917 | 1,749.8 | -7.0% |
| 99578 | Eek | PO Box | 174 | $45,417 | 2.4 | -59.1% |
| 99679 | Tuluksak | PO Box | 118 | $67,813 | 18.8 | -72.0% |
| 99589 | Goodnews Bay | PO Box | 115 | $26,875 | 3.3 | -51.5% |
| 99690 | Nightmute | PO Box | 93 | $38,929 | 3,137.2 | -66.9% |
| 99668 | Sleetmute | PO Box | 48 | — | 20.9 | -51.0% |
| 99651 | Platinum | PO Box | 43 | — | 1,553.3 | 2.4% |
| 99575 | Crooked Creek | PO Box | 17 | $58,750 | 110.3 | -83.7% |
| 99656 | Red Devil | PO Box | 3 | — | 240.9 | -90.6% |
| 99545 | Kongiganak | PO Box | — | — | 0.0 | — |