There are 1 US Post Offices in Okeechobee County serving a total of 20,180 residents equating to 20,180 residents per post office. It's estimated that approximately 32,210 packages are handled across the 1 county post offices annually. Okeechobee County (US /o\u028aki\u02c8t\u0283o\u028abi/) is a county located in the state of Florida. As of the 2010 census, the population was 39,996. The county seat is Okeechobee. Okeechobee County comprises the Okeechobee, FL Micropolitan Statistical Area, which is included in the Miami-Fort Lauderdale-Port St. Lucie, FL Combined Statistical Area."