title: Colchester Township, McDonough County, Illinois
text: # Colchester Township, McDonough County, Illinois
  
  Colchester Township is located in McDonough County, Illinois. As of the 2010 census, its population was 1,837 and it contained 896 housing units.
  
  ## Geography
  
  According to the 2010 census, the township has a total area of 18.19 square miles (47.1 $km^2),$ of which 18.07 square miles (46.8 $km^2)$ (or 99.34%) is land and 0.13 square miles (0.34 $km^2)$ (or 0.71%) is water.
  
  