Hillsboro is a city in Marion County, Kansas, United States. Hillsboro was named after John Gillespie Hill, who homesteaded in the area in 1871.Hillsboro is home of Tabor College. The Hillsboro area was settled by Russian Mennonites beginning. These settlers brought with them Turkey Red Hard Winter Wheat, and related wheat varies are still grown throughout the Great Plains today. Today, the Mennonite Settlement Museum remains to demonstrate the lives of these early settlers.