Alaska Counties by Population (2025)

The most populous counties in Alaska are Anchorage Municipality with 289,600, Matanuska-Susitna Borough at 117,613, Fairbanks North Star Borough with 94,951, Kenai Peninsula Borough at 61,259, and Juneau City and Borough with 31,572. You can get the most current Census population data for all 30 Alaska counties, sorted from the most populous counties in Alaska to the least, according to the 2024 Population Estimates Program.

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