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Population of Counties in Alaska (2024)

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2024 Population
Growth Since 2020
Area (mi²)
Density (/mi²)
Anchorage Municipality285,167-1.97%1.7K167Anchorage Municipality location
Matanuska-Susitna Borough117,0068.84%24.7K5Matanuska-Susitna Borough location
Fairbanks North Star Borough94,478-0.9%7.3K13Fairbanks North Star Borough location
Kenai Peninsula Borough61,8354.91%16K4Kenai Peninsula Borough location
Juneau City and Borough31,370-2.6%2.7K12Juneau City and Borough location
Bethel Census Area18,189-2.53%40.6K0.45Bethel Census Area location
Ketchikan Gateway Borough13,704-1.52%4.9K3Ketchikan Gateway Borough location
Kodiak Island Borough12,491-4.26%6.7K2Kodiak Island Borough location
North Slope Borough10,395-5.53%88.8K0.12North Slope Borough location
Nome Census Area9,735-2.93%23K0.42Nome Census Area location
Sitka City and Borough8,211-2.55%2.9K3Sitka City and Borough location
Northwest Arctic Borough7,269-6.77%35.7K0.20Northwest Arctic Borough location
Southeast Fairbanks Census Area7,1384.65%24.8K0.29Southeast Fairbanks Census Area location
Aleutians West Census Area5,2300.31%4.4K1Aleutians West Census Area location
Yukon-Koyukuk Census Area5,089-4.14%145.6K0.03Yukon-Koyukuk Census Area location
Dillingham Census Area4,490-7.19%18.3K0.24Dillingham Census Area location
Aleutians East Borough3,4921.9%7K0.50Aleutians East Borough location
Haines Borough2,070-0.67%2.3K1Haines Borough location
Lake and Peninsula Borough1,285-11.38%23.8K0.05Lake and Peninsula Borough location
Bristol Bay Borough818-1.45%4822Bristol Bay Borough location

There are 20 counties in Alaska. The most populous county in the U.S. state of Alaska is Anchorage Municipality. With a population of 291,538 in 2019, Anchorage Municipality has seen a growth rate of -0.60% since the time of the 2010 census. Following Anchorage Municipality, the next three most populous counties are Matanuska-Susitna Borough (107,610), Fairbanks North Star Borough (98,971), and Kenai Peninsula Borough (58,533). These are the only boroughs with populations of more than 40,000 in Alaska. Only Anchorage Municipality experienced a population decline. The greatest increase in population happened in Matanuska-Susitna Borough which grew 19.92% since 2010.

Alaska Counties with the Fewest Residents

The least populous county in Alaska is Yakutat City and Borough with a population of only 604 following a growth decrease of 8.76% since the 2010 U.S. census. Other small counties behind Yakutat City and Borough are Bristol Bay Borough (877), Skagway Municipality (1,148), and Lake and Peninsula Borough (1,587). All of these counties experienced a negative population growth of up to -12.48% (Bristol Bay Borough) except Skagway Municipality which grew 18.60%.

Alaska Counties with Rapid Growth

The county with the most rapid rate of growth in Alaska is Matanuska-Susitna Borough. Matanuska-Susitna Borough has seen a growth rate of 19.92% since the 2010 U.S. census, and as of 2019 has a population of 107,610. Behind Matanuska-Sustina Borough in terms of population growth is Skagway Municipality (18.86%), Denali Borough (12.21%), and Kusilvak Census Area (11.23%). These are the only counties with double-digit growth. Bristol Bay Borough has seen the largest decrease in population with a growth rate of -12.48%.

Population of Counties in Alaska (2024)

Lists of Counties in all States

  1. Alaska Census Data
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)