Morton County
Sign in to savecounty in North Dakota, United States
Key facts
- Country
- United States
- State
- North Dakota
- Founded
- January 8, 1873 (created), November 5, 1878 (organized)
- Named after
- Oliver P. Morton
- Seat
- Mandan
- Largest city
- Mandan
- Total
- 1,945.167 sq mi (5,037.96 km )
- Land
- 1,925.888 sq mi (4,988.03 km )
- Water
- 19.279 sq mi (49.93 km ) 0.99%
- Estimate 2025
- 34,601
- Density
- 17.286/sq mi (6.6742/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- At-large
- Website
- mortonnd.org
via Wikipedia infobox
Article
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 34,601 in 2025, 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.