There are 8 US Post Offices in Bladen County serving a total of 31,722 residents equating to 3,965 residents per post office. It's estimated that approximately 50,632 packages are handled across the 8 county post offices annually. Bladen /\u02c8ble\u026ad\u025bn/ County is a county located in the U.S. state of North Carolina. As of the 2010 Census, the population was 35,190. Its county seat is Elizabethtown. The county was created in 1734 as Bladen Precinct and gained county status in 1739."