| ZIP Codes: | 12 ZIP Codes (6 Standard, 6 PO Box, 0 Unique) [See All] |
| Area Code: | 907 |
| Timezone: | Alaska (GMT -09:00) |
| Local Time: | 2:11:17 PM |
| Population: | 112,988 [See All] |
| FIPS: | 02170 |
| CBSA: | Anchorage, AK |
| Land Area: | 12,746 sq mi |
| Water Area: | 136 sq mi |
| Coordinates: | 61.8084, -149.7911 |
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112,988 residents live across 12 ZIPs covering 12,746 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 93,679 to 89,564 from 2014 to 2024 — a -4.4% change. 7 ZIPs gained residents, 2 lost.
The borough's wealthiest ZIP 99645 (Palmer, $100,455 median) and poorest ZIP 99676 (Talkeetna, $54,028) are 66.8 miles apart — a 1.9× income gap across local geography.
Median home values vary 1.7× across this borough — from $217,900 in 99683 (Trapper Creek) to $367,400 in 99645 (Palmer).
Density varies 1743× across the borough — from 0 people/sq mi in 99683 (Trapper Creek) to 378 in 99654 (Wasilla).
Educational attainment ranges from 13.3% bachelor's+ in 99694 (Houston ) to 32.4% in 99645 (Palmer) — the breadth of educational profiles across the area.
Within Alaska, this is the #2 most populous of 30 boroughs and ranks #15 for median household income with the #2 fastest decade growth .
Weighted by population, the typical household earns about $93,669 across the borough — reflecting what a typical resident sees, not a simple ZIP average.
24.4% of adults age 25+ hold a bachelor's degree or higher (18,268 of 74,849 reporting).
6 Standard delivery, 6 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 99654 | Wasilla | Standard | 44,647 | $97,544 | 118.2 | -19.3% |
| 99645 | Palmer | Standard | 32,103 | $100,455 | 643.9 | 20.8% |
| 99623 | Wasilla | Standard | 23,424 | $88,799 | 686.1 | — |
| 99652 | Big Lake | PO Box | 4,313 | $78,578 | 0.0 | 1.8% |
| 99688 | Willow | Standard | 2,739 | $77,197 | 918.8 | 3.6% |
| 99674 | Sutton | Standard | 1,774 | $63,688 | 1,226.2 | 42.9% |
| 99676 | Talkeetna | Standard | 1,628 | $54,028 | 1,048.8 | 17.7% |
| 99694 | Houston | PO Box | 1,516 | $74,531 | 0.0 | -9.7% |
| 99683 | Trapper Creek | PO Box | 583 | $73,098 | 2,691.5 | 7.2% |
| 99667 | Skwentna | PO Box | 261 | $63,750 | 5,373.6 | 327.9% |
| 99687 | Wasilla | PO Box | — | — | 38.9 | — |
| 99629 | Wasilla | PO Box | — | — | 0.0 | — |