ZIP Code 99685
About Unalaska
The City of Unalaska is the main population center in the Aleutian Islands. The city is in the Aleutians West Census Area, a regional component of the Unorganized Borough in the U.S. state of Alaska. Unalaska is located on Unalaska Island and neighboring Amaknak Island in the Aleutian Islands off mainland Alaska. The population was 4,254 at the 2020 census, which is 81% of the entire Aleutians West Census Area. Unalaska is the second-largest city in the Unorganized Borough, behind Bethel.
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Area Profile
US Census (ACS 5-year · Gazetteer)
3,690
population
$119,063
median household income
66
people / sq mi
$448,700
median home value
$2,051
median gross rent
38.1
median age
838
housing units
692
households
56.3
land area (sq mi)