title: Helvetia Township, Madison County, Illinois
text: # Helvetia Township, Madison County, Illinois
  
  Helvetia Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 8,646 and it contained 3,638 housing units.
  
  ## History
  
  Helvetia Township was organized in 1876.
  
  ## Geography
  
  According to the 2010 census, the township has a total area of 36.2 square miles (94 $km^2),$ of which 35.88 square miles (92.9 $km^2)$ (or 99.12%) is land and 0.32 square miles (0.83 $km^2)$ (or 0.88%) is water.
  
  