Rio Township, Knox County, Illinois
Rio Township is one of twenty-one townships in Knox County, Illinois, USA. As of the 2010 census, its population was 518 and it contained 235 housing units.Geography
According to the 2010 census, the township has a total area of, all land.Cities, towns, villages
The township contains these four cemeteries: Bruner, Deatherage, Rio Baptist and Rio.School districts