McKenzie County, North Dakota

McKenzie County
Location within the U.S. state of North Dakota
North Dakota's location within the U.S.
Coordinates: 47°44′33″N 103°24′12″W / 47.742475°N 103.403215°W / 47.742475; -103.403215
Country United States
State North Dakota
FoundedMarch 9, 1883 (created)
April 20, 1905 (organized)
Named afterAlexander McKenzie
SeatWatford City
Largest cityWatford City
Area
  Total
2,860.566 sq mi (7,408.83 km2)
  Land2,760.133 sq mi (7,148.71 km2)
  Water100.433 sq mi (260.12 km2)  3.51%
Population
 (2020)
  Total
14,704
  Estimate 
(2024)
14,782
Time zones
(northern portion)UTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
(southern portion)UTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Area code701
Congressional districtAt-large
Websitemckenziecountynd.gov

McKenzie County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 14,704, and was estimated to be 14,782 in 2024, The county seat and largest city is Watford City. McKenzie County is also the largest county in North Dakota by land area.

The county lies immediately adjacent to the Williston Micropolitan Statistical Area, although the Census Bureau does not include McKenzie County in that grouping.