There are 3 US Post Offices in Hendry County serving a total of 41,201 residents equating to 13,734 residents per post office. It's estimated that approximately 65,761 packages are handled across the 3 county post offices annually. Hendry County is a county located in the U.S. state of Florida. As of the 2010 census, the population was 39,140. Its county seat is LaBelle. Hendry County comprises the Clewiston, Fla. Micropolitan Statistical Area."