There are 4 US Post Offices in Alexander County serving a total of 36,658 residents equating to 9,165 residents per post office. It's estimated that approximately 58,510 packages are handled across the 4 county post offices annually. Alexander County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 37,198. Its county seat is Taylorsville. Alexander County is part of the Hickory\u2013Lenoir\u2013Morganton, NC Metropolitan Statistical Area."