There are 25 US Post Offices in Lucas County serving a total of 401,697 residents equating to 16,068 residents per post office. It's estimated that approximately 641,153 packages are handled across the 25 county post offices annually. Lucas County is a county located in the U.S. state of Ohio and bordered on the east by Lake Erie, and on the southeast by the Maumee River, which runs to the lake. As of the 2010 census, the population was 441,815. Its county seat is Toledo, located at the mouth of the Maumee River on the lake. The county was named for Robert Lucas, 12th governor of Ohio, in 1835 during his second term. Its establishment provoked the Toledo War conflict with the Michigan Territory, which claimed some of its area. Lucas County is part of the Toledo, OH Metropolitan Statistical Area."