Delhi Township is a suburban community with a population of 29,510 (2010 U.S. Census) located in Southwest Ohio's Hamilton County. Delhi was established in 1789 and was a rural community until just after World War II. The Township's motto, The Floral Paradise of Ohio, dates from this earlier era when the Township's landscape was dotted with greenhouses. At one time these greenhouses were a major source of the nation's carnation stock. Since World War II Delhi has experienced a transformation from a pastoral, agricultural community into a quiet bedroom community that emphasizes neighborhood and family - delhi.oh.us