Pin Oak Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 3,916 and it contained 1,379 housing units.
History Pin Oak Township was named from a grove of pin oak trees.
Geography According to the 2010 census, the township has a total area of , of which (or 98.70%) is land and (or 1.30%) is water.
Demographics
References
External links City-data.com Illinois State Archives