Morton County Flag

Morton County

State:
North Dakota
County Seat:
Mandan

Morton County's 2026 population is estimated at 34,488, reflecting a 0.43% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Morton County is the 7th largest county in North Dakota. The 2010 population was 27,570 and has grown 25.09% since 2010.

34,488
Total Population
18
Population Density (mi²)
7
Population Rank (State)
147 0.43%
Annual Population Growth

Morton County Population

Demographics

Economics and Income Statistics