Morton County, North Dakota

Morton County
The Morton County Courthouse in Mandan
Location within the U.S. state of North Dakota
North Dakota's location within the U.S.
Coordinates: 46°42′36″N 101°18′36″W / 46.710029°N 101.310041°W / 46.710029; -101.310041
Country United States
State North Dakota
FoundedJanuary 8, 1873 (created)
November 5, 1878 (organized)
Named afterOliver P. Morton
SeatMandan
Largest cityMandan
Area
  Total
1,945.167 sq mi (5,037.96 km2)
  Land1,925.888 sq mi (4,988.03 km2)
  Water19.279 sq mi (49.93 km2)  0.99%
Population
 (2020)
  Total
33,291
  Estimate 
(2024)
34,194
  Density17.754/sq mi (6.855/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Area code701
Congressional districtAt-large
Websitemortonnd.org

Morton County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 33,291, and was estimated to be 34,194 in 2024, making it the sixth-most populous county in North Dakota. The county seat and the largest city is Mandan. The eighth-largest city in North Dakota.

Morton County is included in the Bismarck metropolitan area.