There are 5 US Post Offices in Huntington County serving a total of 39,420 residents equating to 7,884 residents per post office. It's estimated that approximately 62,919 packages are handled across the 5 county post offices annually. Huntington County is a county located in the U.S. state of Indiana. According to Census 2010, the population was 37,124. The county seat and lone city is Huntington. Huntington County comprises the Huntington, IN Micropolitan Statistical Area and is included in the Fort Wayne\u2013Huntington\u2013Auburn Combined Statistical Area"