There are 9 US Post Offices in Lawrence County serving a total of 62,331 residents equating to 6,926 residents per post office. It's estimated that approximately 99,487 packages are handled across the 9 county post offices annually. Lawrence County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 62,450. Its county seat is Ironton. The county was created in 1815 and later organized in 1817. It is named for James Lawrence, the naval officer famous for the line \"do not give up the ship\". Lawrence County is part of the Huntington-Ashland, WV-KY-OH Metropolitan Statistical Area, which is also included in the Charleston-Huntington-Ashland, WV-OH-KY Combined Statistical Area."