
Grand Forks County
- State:
- North Dakota
Grand Forks County's estimated 2025 population is 73,282 with a growth rate of 0.39% in the past year according to the most recent United States census data. Grand Forks County is the 3rd largest county in North Dakota. The 2010 population was 66,994 and has seen a growth of 9.39% since that time.