There are 4 US Post Offices in Renville County serving a total of 2,431 residents equating to 608 residents per post office. It's estimated that approximately 3,880 packages are handled across the 4 county post offices annually. Renville County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 2,470. Its county seat is Mohall. The county was originally created in 1873 but not organized until 1910. Renville County is part of the Minot, ND Micropolitan Statistical Area. It is located south of the Canada\u2013United States border with Saskatchewan."