There are 8 US Post Offices in Coahoma County serving a total of 25,329 residents equating to 3,166 residents per post office. It's estimated that approximately 40,428 packages are handled across the 8 county post offices annually. Coahoma County is a county located in the U.S. state of Mississippi. As of the 2010 census, the population was 26,151. Its county seat is Clarksdale. The Clarksdale, MS Micropolitan Statistical Area includes all of Coahoma County. It is located in the Mississippi Delta region of Mississippi."