Sponsored Listings:
Bridgewater Post Office
235 N Main Ave
Bridgewater, South Dakota 57319
Canistota Post Office
222 W Main St
Canistota, South Dakota 57012
Montrose Post Office
105 W Main St
Montrose, South Dakota 57048
Salem Post Office
311 N Main St
Salem, South Dakota 57058
Spencer Post Office
306 Main St
Spencer, South Dakota 57374
Mccook County
There are 5 US Post Offices in Mccook County serving a total of 5,649 residents equating to 1,130 residents per post office. It's estimated that approximately 9,016 packages are handled across the 5 county post offices annually. McCook County is a county located in the U.S. state of South Dakota. At the 2010 census, the population was 5,618. Its county seat is Salem. The county was established in 1873 and organized in 1878. It was named for the former governor of the Dakota Territory and Civil War general Edwin Stanton McCook. McCook County is part of the Sioux Falls, SD Metropolitan Statistical Area.