Helvetia Township is a township of the city Highland 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 , of which (or 99.12%) is land and (or 0.88%) is water.
Demographics
References
External links City-data.com Illinois State Archives