Unorganized Borough, Alaska

borough in Alaska, United States

The Unorganized Borough is made up of the parts of the U.S. state of Alaska which are not contained in any of its 19 organized boroughs. It encompasses nearly half of Alaska's land area, 323,440 square miles (837,700 km2), an area larger than any other U.S. state, and larger than the land area of the smallest 16 states combined. As of the 2020 U.S. Census, it had a population of 77,157, which was 10.55% of the population of the state.[1]

Unorganized Borough
Map of Alaska highlighting Unorganized Borough
Location within the U.S. state of Alaska
Map of the United States highlighting Alaska
Alaska's location within the U.S.
Coordinates: 57°30′N 156°42′W / 57.500°N 156.700°W / 57.500; -156.700
Country United States
State Alaska
 • Total323,440 sq mi (837,700 km2)
 • Total77,157
 • Density0.24/sq mi (0.092/km2)
Time zonesUTC−9 (Alaska)
 • Summer (DST)UTC−8 (ADT)
UTC−10 (Hawaii–Aleutian)
 • Summer (DST)UTC−9 (HADT)


  1. "2020 Census Data for Redistricting". Alaska Department of Labor and Workforce Development. Retrieved 2022-05-08.