Lyman County Post Offices

210 S Main St
Kennebec, South Dakota 57544

1 Crazy Horse St
Lower Brule, South Dakota 57548

101 W 2nd St
Oacoma, South Dakota 57365

210 N Main Ave
Presho, South Dakota 57568

202 W Highway 47
Reliance, South Dakota 57569

109 S Main Ave
Vivian, South Dakota 57576

Lyman County

There are 6 US Post Offices in Lyman County serving a total of 3,659 residents equating to 610 residents per post office. It's estimated that approximately 5,840 packages are handled across the 6 county post offices annually. Lyman County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 3,755. Its county seat is Kennebec."