Riley County Post Offices

103 W Barton Rd
Leonardville, Kansas 66449

500 Leavenworth St
Manhattan, Kansas 66502

310 Riley Ave
Ogden, Kansas 66517

117 W Randolph St
Randolph, Kansas 66554

122 S Broadway St
Riley, Kansas 66531

Riley County

There are 5 US Post Offices in Riley County serving a total of 48,730 residents equating to 9,746 residents per post office. It's estimated that approximately 77,779 packages are handled across the 5 county post offices annually. Riley County (standard abbreviation: RL) is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 71,115. The largest city and county seat is Manhattan. Riley County is home to two of Kansas' largest employers: Fort Riley and Kansas State University. Among notable current and former residents of Riley County are former Governor John W. Carlin, General Glen Edgerton and millionaire miner Horace A. W. Tabor."