Igo is a ghost town in Medicine Township, Rooks County, Kansas, United States. History Igo was located in Medicine Township along Big Medicine Creek. A post office was issued to Igo in 1877. The post office was discontinued in 1904. There is nothing left of Igo. References Former populated places in Rooks County, Kansas Former populated places in Kansas 1877 establishments in Kansas Populated places established in 1877