Knox County Post Offices

25941 New Guilford Rd
Bladensburg, Ohio 43005

55 N Clayton St
Centerburg, Ohio 43011

414 S Market St
Danville, Ohio 43014

67 N Pleasant St
Fredericktown, Ohio 43019

107 Chase Ave
Gambier, Ohio 43022

23359 Coshocton Rd
Howard, Ohio 43028

110 E Liberty St
Martinsburg, Ohio 43037

7088 Columbus Rd
Mount Liberty, Ohio 43048

101 W High St
Mount Vernon, Ohio 43050

Knox County

There are 9 US Post Offices in Knox County serving a total of 61,280 residents equating to 6,809 residents per post office. It's estimated that approximately 97,810 packages are handled across the 9 county post offices annually. Knox County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 60,921. Its county seat is Mount Vernon. The county is named for Henry Knox, an officer in the American Revolutionary War who was later the first Secretary of War. Knox County comprises the Mount Vernon, OH Micropolitan Statistical Area, which is also included in the Columbus-Marion-Zanesville, OH Combined Statistical Area."