Putnam, KansasPutnam is an unincorporated community in Harvey County, Kansas, United States. It is located southwest of Newton at the intersection of West Road and SW 60th Street, along the BNSF Railway.HistoryPutnam had a post office from 1891 until 1907.GeographyThe community is located south of Newton near SW 60th and S. West Road. It was established along a former railroad line between Newton and Wichita.EducationThe community is served by Sedgwick USD 439 public school district.