There are a total of 19 counties (boroughs) in the state of Alaska. Among them, Bristol Bay Borough is the oldest one (established in 1962) while Petersburg Borough is the youngest (established in 2013). With population of 291,826, Anchorage is the most populated. The biggest county by land area is North Slope Borough (230,035 km2) and the smallest is Skagway (1,171 km2). Below please see all Alaska counties which are listed in alphabetical order.
- Aleutians East Borough, AK
- Anchorage Borough, AK
- Bristol Bay Borough, AK
- Denali Borough, AK
- Fairbanks North Star Borough, AK
- Haines Borough, AK
- Juneau Borough, AK
- Kenai Peninsula Borough, AK
- Ketchikan Gateway Borough, AK
- Kodiak Island Borough, AK
- Lake and Peninsula Borough, AK
- Matanuska-Susitna Borough, AK
- North Slope Borough, AK
- Northwest Arctic Borough, AK
- Petersburg Borough, AK
- Sitka Borough, AK
- Skagway Borough, AK
- Wrangell Borough, AK
- Yakutat Borough, AK
Map of Alaska Counties
