There are 12 US Post Offices in Dunklin County serving a total of 32,123 residents equating to 2,677 residents per post office. It's estimated that approximately 51,272 packages are handled across the 12 county post offices annually. Dunklin County is a county located in the Bootheel of the U.S. state of Missouri. As of the 2010 census, the population was 31,953. The largest city and county seat is Kennett. The county was officially organized on February 14, 1845, and is named in honor of Daniel Dunklin, a Governor of Missouri who died the year before the county was organized. Dunklin County comprises the Kennett, MO Micropolitan Statistical Area."