Aleutians East Borough	013	Sand Point	Second	1987	-	Its location in the east Aleutian Islands, which are themselves of uncertain linguistic origin; possibly derived from Chukchi word aliat ("island")	0.45	3,141	6,988 sq mi
(18,099 km2)	State map highlighting Aleutians East Borough
Anchorage	020	(Consolidated
city-borough)	Unified Home Rule	1964/1975	Anchorage Borough formed in 1964, merged with city in 1975 to form unified city-borough	Derived from the presence of a safe place to anchor and unload supplies for construction of the Alaska Railroad circa 1913, thereby creating a community.	171.18	291,826	1,697 sq mi
(4,395 km2)	State map highlighting Anchorage
Bristol Bay Borough	060	Naknek	Second	1962	-	Named in 1778 by Capt. James Cook for George Digby, 2nd Earl of Bristol.	1.98	997	505 sq mi
(1,308 km2)	State map highlighting Bristol Bay Borough
Denali Borough	068	Healy	Home Rule	1990	-	From Denali, the tallest North American mountain, which means "great one" in the Dena'ina language	0.14	1,826	12,750 sq mi
(33,022 km2)	State map highlighting Denali Borough
Fairbanks North Star Borough	090	Fairbanks	Second	1964	-	Named for its borough seat of Fairbanks, named in turn for Charles Fairbanks (1852 - 1918), U.S. Senator from Indiana and vice president under Theodore Roosevelt, and for Polaris, the North Star	13.30	97,581	7,366 sq mi
(19,078 km2)	State map highlighting Fairbanks North Star Borough
Haines Borough	100	(Consolidated
city-borough)	Home Rule	1968
(Consolidated 2002)	-	After Haines, which was itself named for Mrs. F.E. Haines, the key fundraiser for the construction of a Presbyterian mission in the town.	1.08	2,508	2,344 sq mi
(6,071 km2)	State map highlighting Haines Borough
Juneau	110	(Consolidated
city-borough)	Unified Home Rule	1970	The cities of Juneau and Douglas merged with the surrounding borough to form the municipality	Joseph "Joe" Juneau, prospector and co-founder of the city.	11.58	31,275	2,716 sq mi
(7,034 km2)	State map highlighting Juneau
Kenai Peninsula Borough	122	Soldotna	Second	1964	-	The Kenai Peninsula, whose name may be derived from Kenayskaya, the Russian name for Cook Inlet.	3.45	55,400	16,013 sq mi
(41,473 km2)	State map highlighting Kenai Peninsula Borough
Ketchikan Gateway Borough	130	Ketchikan	Second	1963	-	The borough seat of Ketchikan and the borough's gateway location on the Alaska-Canada border.	2.77	13,477	4,840 sq mi
(12,536 km2)	State map highlighting Ketchikan Gateway Borough
Kodiak Island Borough	150	Kodiak	Second	1963	-	Named after Kodiak Island, which may itself be named for the Koniag people	2.08	13,592	6,560 sq mi
(16,990 km2)	State map highlighting Kodiak Island Borough
Lake and Peninsula Borough	164	King Salmon	Home Rule	1989	-	The borough's many large lakes, and the Alaska Peninsula	0.07	1,631	23,782 sq mi
(61,595 km2)	State map highlighting Lake and Peninsula Borough
Matanuska-Susitna Borough	170	Palmer	Second	1964	-	Named for the valley that the Matanuska and Susitna Rivers form.	3.62	88,995	24,682 sq mi
(63,926 km2)	State map highlighting Matanuska-Susitna Borough
North Slope Borough	185	Barrow	Home Rule	1972	-	The Alaska North Slope along the Brooks Range.	0.11	9,430	88,817 sq mi
(230,035 km2)	State map highlighting North Slope Borough
Northwest Arctic Borough	188	Kotzebue	Home Rule	1986	In 1986, residents of Kotzebue and 10 other area villages voted to form the Northwest Arctic Borough (with boundaries coincident with those of NANA), to be economically based on taxing the Red Dog mine, then under development.	Its geographic location and position above the Arctic Circle.	0.21	7,523	35,898 sq mi
(92,975 km2)	State map highlighting Northwest Arctic Borough
Petersburg Borough	195	Petersburg	Home Rule	2013	Incorporated after voters approved borough formation in December 2012.	Named for Norwegian immigrant Peter Buschmann, founder of the former city of Petersburg.	1.16	3,273	3,829 sq mi
(9,917 km2)	State map highlighting Petersburg Borough
Sitka	220	(Consolidated
city-borough)	Unified Home Rule	1971	-	Derived from Tlingit word Shee At'ikámeaning "People on the outside of Shee (Baranof Island)."	3.09	8,881	2,874 sq mi
(7,444 km2)	State map highlighting Sitka
Skagway	230	(Consolidated
city-borough)	First	2007	-	Derived from Tlingit word Shgagwè meaning "a windy place with white caps on the water."	2.14	968	452 sq mi
(1,171 km2)	State map highlighting Skagway
Unorganized Borough	-	-	-	1961	The Borough Act of 1961 created The Unorganized Borough including all of Alaska not within a Unified, Home rule, First class or Second class borough.	A legal entity in Alaska, covering those parts of Alaska not within an incorporated borough; it is administered by the state of Alaska.[7]	0.24	78,149	323,440 sq mi
(837,706 km2)	State map highlighting Unorganized Borough
Wrangell	275	(Consolidated
city-borough)	Unified Home Rule	2008	formerly part of Wrangell-Petersburg Census Area	Ferdinand von Wrangel, Russian administrator of Alaska, 1840-49.	0.93	2,369	2,570 sq mi
(6,656 km2)	State map highlighting Wrangell
Yakutat	282	(Consolidated
city-borough)	Home Rule	1992	-	Yakutat Bay and the Yakutat Alaska Native people	0.09	662	7,650 sq mi
(19,813 km2)	State map highlighting Yakutat