There are 45 US Post Offices in Franklin County serving a total of 1,204,399 residents equating to 26,764 residents per post office. It's estimated that approximately 1,922,355 packages are handled across the 45 county post offices annually. Franklin County is a county in the U.S. state of Ohio. As of the 2010 census, the population was 1,163,414, making it the second-most populous county in Ohio. Its county seat is Columbus, the state capital and most populous city in Ohio. The county was established on April 30, 1803, less than two months after Ohio became a state, and was named after Benjamin Franklin. Franklin County originally extended all the way north to Lake Erie before Ohio subdivided further into more counties. Franklin County is included in the Columbus, OH Metropolitan Statistical Area. Franklin County, particularly Columbus, has been a centerpiece for presidential and congressional politics, most notably the 2000 presidential election, the 2004 presidential election, and the 2006 midterm elections. Franklin County is home to one of the largest universities in the United States, The Ohio State University, which as of fall 2014 has an enrollment of 58,322 students on its main Columbus campus."