There are 11 US Post Offices in Stoddard County serving a total of 30,628 residents equating to 2,784 residents per post office. It's estimated that approximately 48,886 packages are handled across the 11 county post offices annually. Stoddard County is a county located in the southeastern portion of the U.S. state of Missouri. As of the 2010 census, the population was 29,968. The county seat is Bloomfield. The county was officially organized on January 2, 1835, and is named for Amos Stoddard, the first American Civil Commandant of Upper Louisiana.