Harrison County Post Offices

1407 Central St
Bethany, Missouri 64424

629 State Hwy N
Blythedale, Missouri 64426

14042 14th St
Eagleville, Missouri 64442

13751 W 261st St
Martinsville, Missouri 64467

210 E Lincoln Way
New Hampton, Missouri 64471

402 Pine St
Ridgeway, Missouri 64481

Harrison County

There are 6 US Post Offices in Harrison County serving a total of 7,580 residents equating to 1,263 residents per post office. It's estimated that approximately 12,099 packages are handled across the 6 county post offices annually. Warrants Harrison County is a county located in the northwest portion of the U.S. state of Missouri. As of the 2010 census, the population was 8,957. Its county seat is Bethany. The county was organized February 14, 1845, and named for U.S. Representative Albert G. Harrison of Missouri.