There are 16 US Post Offices in Portage County serving a total of 163,961 residents equating to 10,248 residents per post office. It's estimated that approximately 261,700 packages are handled across the 16 county post offices annually. Portage County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 161,419. Its county seat is Ravenna. The county was created in 1807 and organized in 1808 and is named for the portage between the Cuyahoga and Tuscarawas Rivers. Portage County is part of the Akron Metropolitan Statistical Area, which is also included in the Cleveland\u2013Akron\u2013Canton Combined Statistical Area."