Chalmers Township, McDonough County, Illinois

Chalmers Township is located in McDonough County, Illinois. As of the 2010 census, its population was 686 and it contained 326 housing units.

Geography
According to the 2010 census, the township has a total area of 26.64 sqmi, of which 26.63 sqmi (or 99.96%) is land and 0.01 sqmi (or 0.04%) is water.