Grand Forks County
There are 12 US Post Offices in Grand Forks County serving a total of 46,307 residents equating to 3,859 residents per post office. It's estimated that approximately 73,911 packages are handled across the 12 county post offices annually. Grand Forks County is a county located in the U.S. state of North Dakota. As of the 2010 census, its population was 66,861, making it the fourth-most populous county in North Dakota. Its county seat and largest community is Grand Forks. The county was created in 1873 and later organized in 1875. Grand Forks County is included in the Grand Forks, ND-MN Metropolitan Statistical Area."