There are 13 US Post Offices in Lorain County serving a total of 272,026 residents equating to 20,925 residents per post office. It's estimated that approximately 434,184 packages are handled across the 13 county post offices annually. Lorain County is a county in northeastern Ohio. As of the 2010 census, the population was 301,356. Its county seat is Elyria. The county was created in 1822 and later organized in 1824. Lorain County is part of the Cleveland-Elyria, OH Metropolitan Statistical Area. The county is also home to Amherst, with its sandstone quarries, and Oberlin College, in Oberlin."