Grand Forks County, North Dakota

Grand Forks County
The new Grand Forks County Office Building in Grand Forks, near historic Grand Forks County Courthouse
Motto: 
"Heart of the Red River Valley"
Location within the U.S. state of North Dakota
North Dakota's location within the U.S.
Coordinates: 47°55′34″N 97°27′03″W / 47.926003°N 97.450851°W / 47.926003; -97.450851
Country United States
State North Dakota
FoundedJanuary 4, 1873 (created)
March 2, 1875 (organized)
SeatGrand Forks
Largest cityGrand Forks
Area
  Total
1,439.418 sq mi (3,728.08 km2)
  Land1,436.216 sq mi (3,719.78 km2)
  Water3.202 sq mi (8.29 km2)  0.22%
Population
 (2020)
  Total
73,170
  Estimate 
(2024)
73,771
  Density51.359/sq mi (19.830/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Area code701
Congressional districtAt-large
Websitegfcounty.nd.gov

Grand Forks County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 73,170, and was estimated to be 73,771 in 2024, making it the third-most populous county in North Dakota. The county seat and the largest city is Grand Forks.