ZIP Codes of Northwest Arctic Borough, AK

Population & People
Population & People
Total Population
7,441
Household Income
Household Income
Median Income
$65,898
Housing
Housing
Total Housing Units
2,473
Business & Economy
Business & Economy
Total Businesses
57
Employment
Employment
Employment Rate
48.92%
Education
Education
Bachelor's Degree+
10.63%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this borough.
Data Last Updated: June 1, 2026
ZIP Codes:11 ZIP Codes (0 Standard, 11 PO Box, 0 Unique) [See All]
Area Code:907
Timezone:Alaska (GMT -09:00)
Local Time:2:11:17 PM
Population:7,441 [See All]
FIPS:02188
Land Area:8,812 sq mi
Water Area:962 sq mi
Coordinates:66.8775, -160.4420
Quick Link:
https://www.zip-codes.com/county/ak-northwest-arctic.asp
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Among America's 25 youngest counties
Median age 27.4 — #22 youngest nationwide.

Standout ZIPs in this Borough


Most Populous
Kotzebue · 3,056 people
41.1% of county total
Highest Income
Kotzebue · $110,357 median
1.7× county average
Largest Land Area
Ambler · 7,257.3 sq mi
Spans the most ground
Fastest Growth
Kotzebue · -10.9% (10-yr)
3,428 → 3,056 residents
Most Educated
Kotzebue · 18.0% bachelor's+
331 of 1,843 adults 25+

Things worth knowing about Northwest Arctic Borough


7,441 residents live across 11 ZIPs covering 8,812 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 7,641 to 7,441 from 2014 to 2024 — a -2.6% change. 5 ZIPs gained residents, 6 lost.

The borough's wealthiest ZIP 99752 (Kotzebue, $110,357 median) and poorest ZIP 99751 (Kobuk, $37,917) are 142.0 miles apart — a 2.9× income gap across local geography.

Median home values vary 3.8× across this borough — from $76,700 in 99770 (Selawik) to $288,400 in 99752 (Kotzebue).

Density varies 8198× across the borough — from 0 people/sq mi in 99786 (Ambler) to 206 in 99750 (Kivalina).

Educational attainment ranges from 1.1% bachelor's+ in 99750 (Kivalina) to 18.0% in 99752 (Kotzebue) — the breadth of educational profiles across the area.

Within Alaska, this is the #13 most populous of 30 boroughs and ranks #18 for median household income .

Weighted by population, the typical household earns about $84,429 across the borough — reflecting what a typical resident sees, not a simple ZIP average.

10.6% of adults age 25+ hold a bachelor's degree or higher (426 of 4,007 reporting).

0 Standard delivery, 11 PO Box only, 0 single-entity Unique ZIPs serve this borough.

Stories about Northwest Arctic Borough


Big & sparse

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.

Total area
8,812
square miles
Avg density
0.8
people per sq mi
Population
7,441
across 11 ZIPs
Ambler
7,257.3 sq mi
182 residents
Selawik
1,012.4 sq mi
412 residents
Kotzebue
258.6 sq mi
3,056 residents

All ZIP Codes in Northwest Arctic Borough


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
99752KotzebuePO Box3,056$110,357258.6-10.9%
99750KivalinaPO Box809$72,5893.952.1%
99761NoatakPO Box786$83,750227.573.9%
99763NoorvikPO Box748$63,7508.025.1%
99727BucklandPO Box533$58,9903.2-8.4%
99749KianaPO Box440$67,3869.618.6%
99770SelawikPO Box412$52,5001,012.4-45.4%
99736DeeringPO Box227$58,3335.777.3%
99786AmblerPO Box182$40,5567,257.3-44.7%
99773ShungnakPO Box147$78,75010.1-52.3%
99751KobukPO Box101$37,91716.0-36.5%

Adjacent & Nearby Counties