Knox County Post Offices

400 Main St
Baring, Missouri 63531

107 S 2nd St
Edina, Missouri 63537

404 N 3rd St
Hurdland, Missouri 63547

103 W Main St
Knox City, Missouri 63446

106 S Main St
Newark, Missouri 63458

220 Main St
Novelty, Missouri 63460

107 State Highway 15
Plevna, Missouri 63464

Knox County

There are 7 US Post Offices in Knox County serving a total of 4,144 residents equating to 592 residents per post office. It's estimated that approximately 6,614 packages are handled across the 7 county post offices annually. Knox County is a county located in the northeast portion of the U.S. state of Missouri. As of the 2010 census, the population was 4,131, making it the third-least populous county in Missouri. Its county seat is Edina. The county was organized February 14, 1845 and named for U.S. Secretary of War General Henry Knox."