ZIP Codes of Copper River Borough, AK

Population & People
Population & People
Total Population
2,528
Household Income
Household Income
Median Income
$94,347
Housing
Housing
Total Housing Units
2,544
Business & Economy
Business & Economy
Total Businesses
104
Employment
Employment
Employment Rate
52.08%
Education
Education
Bachelor's Degree+
23.45%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this borough.
Data Last Updated: June 1, 2026
ZIP Codes:4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:907
Timezone:Alaska (GMT -09:00)
Local Time:2:11:16 PM
Population:2,528 [See All]
FIPS:02066
Land Area:17,825 sq mi
Water Area:441 sq mi
Coordinates:61.9877, -144.8244
Quick Link:
https://www.zip-codes.com/county/ak-copper-river.asp
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Among America's 10 largest counties by area
#3 largest, spanning 17,825 sq mi.
Among Alaska's 5 wealthiest counties
#4 statewide, average median income $94,347.
Among Alaska's 5 oldest counties
Median age 48.4.

Standout ZIPs in this Borough


Most Populous
Glennallen · 1,037 people
41.0% of county total
Highest Income
Glennallen · $110,136 median
1.2× county average
Largest Land Area
Chitina · 9,943.3 sq mi
Spans the most ground
Fastest Growth
— growth not calculable
Most Educated
— no education data

Things worth knowing about Copper River Borough


2,528 residents live across 4 ZIPs covering 17,825 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 2,405 to 2,528 from 2014 to 2024 — a +5.1% change. 2 ZIPs gained residents, 2 lost.

The borough's wealthiest ZIP 99588 (Glennallen, $110,136 median) and poorest ZIP 99573 (Copper Center, $78,558) are 61.8 miles apart — a 1.4× income gap across local geography.

Median home values vary 1.1× across this borough — from $290,600 in 99588 (Glennallen) to $309,600 in 99586 (Gakona).

Density varies 34× across the borough — from 0 people/sq mi in 99566 (Chitina) to 0 in 99588 (Glennallen).

Educational attainment ranges from 14.4% bachelor's+ in 99588 (Glennallen) to 31.3% in 99586 (Gakona) — the breadth of educational profiles across the area.

Within Alaska, this is the #22 most populous of 30 boroughs and ranks #4 for median household income with the #8 fastest decade growth .

Weighted by population, the typical household earns about $95,113 across the borough — reflecting what a typical resident sees, not a simple ZIP average.

23.4% of adults age 25+ hold a bachelor's degree or higher (412 of 1,757 reporting).

3 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this borough.

Stories about Copper River 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
17,825
square miles
Avg density
0.1
people per sq mi
Population
2,528
across 4 ZIPs
Chitina
9,943.3 sq mi
130 residents
Copper Center
3,629.8 sq mi
941 residents
Glennallen
2,364.1 sq mi
1,037 residents

All ZIP Codes in Copper River Borough


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
99588GlennallenStandard1,037$110,1362,364.118.0%
99573Copper CenterStandard941$78,5583,629.818.5%
99586GakonaStandard4201,887.4-19.1%
99566ChitinaPO Box1309,943.3-39.0%

Adjacent & Nearby Counties