North Slope Borough, Alaska

North Slope Borough, Alaska
Location within the U.S. state of Alaska
Coordinates: 69°18′N 153°27′W / 69.3°N 153.45°W / 69.3; -153.45
Country United States
State Alaska
IncorporatedJuly 2, 1972
Named afterAlaska North Slope
SeatUtqiaġvik
Largest cityUtqiaġvik
Government
 • MayorJosiah Patkotak (I)
Area
 • Total
94,796 sq mi (245,520 km2)
 • Land88,695 sq mi (229,720 km2)
 • Water6,101 sq mi (15,800 km2)  6.4%
Population
 (2020)
 • Total
11,031
 • Estimate 
(2024)
10,663
 • Density0.12437/sq mi (0.048020/km2)
Time zoneUTC−9 (Alaska)
 • Summer (DST)UTC−8 (ADT)
Congressional districtAt-large
Websitewww.north-slope.org

The North Slope Borough is the northernmost borough in the US state of Alaska and, thus, the northernmost county or equivalent of the United States as a whole. As of the 2020 census, the population was 11,031. The borough seat and largest city, comprising nearly half of the borough’s population, is Utqiaġvik (known as Barrow from 1901 to 2016), the northernmost settlement in the United States.