ZIP Codes of Chugach Borough, AK

Population & People
Population & People
Total Population
6,862
Household Income
Household Income
Median Income
$73,308
Housing
Housing
Total Housing Units
3,885
Business & Economy
Business & Economy
Total Businesses
380
Employment
Employment
Employment Rate
59.48%
Education
Education
Bachelor's Degree+
31.41%
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 (1 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:907
Timezone:Alaska (GMT -09:00)
Local Time:2:11:16 PM
Population:6,862 [See All]
FIPS:02063
Land Area:5,167 sq mi
Water Area:1,500 sq mi
Coordinates:60.8792, -146.6765
Quick Link:
https://www.zip-codes.com/county/ak-chugach.asp
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Alaska's #15 most populous borough
6,862 residents across 4 ZIPs — #15 of 30 Alaska counties.

Standout ZIPs in this Borough


Most Populous
Valdez · 3,862 people
56.3% of county total
Highest Income
Valdez · $99,349 median
1.4× county average
Largest Land Area
Valdez · 2,796.3 sq mi
Spans the most ground
Fastest Growth
Valdez · -3.6% (10-yr)
4,007 → 3,862 residents
Most Educated
Valdez · 31.9% bachelor's+
869 of 2,727 adults 25+

Things worth knowing about Chugach Borough


6,862 residents live across 4 ZIPs covering 5,167 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 7,049 to 6,862 from 2014 to 2024 — a -2.7% change. 1 ZIPs gained residents, 3 lost.

The borough's wealthiest ZIP 99686 (Valdez, $99,349 median) and poorest ZIP 99693 (Whittier, $59,688) are 88.3 miles apart — a 1.7× income gap across local geography.

Median home values vary 5.0× across this borough — from $83,800 in 99693 (Whittier) to $418,400 in 99574 (Cordova).

Density varies across the borough — from 1 people/sq mi in 99574 (Cordova) to 10 in 99693 (Whittier).

Educational attainment ranges from 31.0% bachelor's+ in 99574 (Cordova) to 31.9% in 99686 (Valdez) — the breadth of educational profiles across the area.

Within Alaska, this is the #15 most populous of 30 boroughs and ranks #16 for median household income .

Weighted by population, the typical household earns about $91,438 across the borough — reflecting what a typical resident sees, not a simple ZIP average.

31.4% of adults age 25+ hold a bachelor's degree or higher (1,511 of 4,811 reporting).

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

Stories about Chugach 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
5,167
square miles
Avg density
1.3
people per sq mi
Population
6,862
across 4 ZIPs
Valdez
2,796.3 sq mi
3,862 residents
Cordova
2,319.1 sq mi
2,551 residents
Whittier
44.7 sq mi
429 residents

All ZIP Codes in Chugach Borough


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
99686ValdezStandard3,862$99,3492,796.3-3.6%
99574CordovaPO Box2,551$85,1322,319.1-6.2%
99693WhittierPO Box429$59,68844.770.2%
99677TatitlekPO Box20$49,0637.3-71.0%

Adjacent & Nearby Counties