There are 8 US Post Offices in Randolph County serving a total of 27,327 residents equating to 3,416 residents per post office. It's estimated that approximately 43,617 packages are handled across the 8 county post offices annually. Randolph County is a county located in the northern portion of the U.S. state of Missouri. As of the 2010 census, the population was 25,414. Its county seat is Huntsville. The county was organized January 22, 1829 and named for U.S. Representative and U.S. Senator John Randolph of Roanoke of Virginia. Randolph County comprises the Moberly, MO Micropolitan Statistical Area, which is also included in the Columbia-Moberly-Mexico, MO Combined Statistical Area.