Talmo, KansasTalmo is an unincorporated community in Republic County, Kansas, United States. It is located northeast of Concordia along K-148 highway between Co Rd 19 and Co Rd 20.HistoryA post office was opened in Talmo in 1884, and remained in operation until it was discontinued in 1953.EducationThe community is served by Republic County USD 109 public school district.