City-Data.com: Hillsboro, Iowa - Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps. - http://www.city-data.com/city/Hillsboro-Iowa.html
Wikipedia: Hillsboro, Iowa - Encyclopedia article presents geography and demographics of this community in Henry County. - http://en.wikipedia.org/wiki/Hillsboro,_Iowa