Alaska Counties by Population (2026)

The most populous counties in Alaska are Anchorage Municipality with 288,976, Matanuska-Susitna Borough at 112,988, Fairbanks North Star Borough with 95,460, Kenai Peninsula Borough at 60,413, and Juneau City and Borough with 31,794. 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 American Community Survey.

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