Cass County Flag

Cass County

State:
North Dakota
County Seat:

Cass County's estimated 2025 population is 203,733 with a growth rate of 1.39% in the past year according to the most recent United States census data. Cass County is the largest county in North Dakota. The 2010 population was 150,321 and has seen a growth of 35.53% since that time.

203,733
Total Population
115
Population Density (mi²)
1
Population Rank (State)
2.8K 1.39%
Annual Population Growth

Cass County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)