Texas For other Union townships in the U.S. state of Iowa, see Union Township (disambiguation) § Iowa. Union Township is a township in Des Moines County, Iowa, United States.[1] History Union Township was established in 1841.[2] References ^ U.S. Geological Survey Geographic Names Information System: Union Township, Des Moines County, Iowa ^ The History of Des Moines County, Iowa: Containing a History of the County, Its Cities, Towns, &c. Western Historical Company. 1879. pp. 402. Municipalities and communities of Des Moines County, Iowa, United StatesCounty seat: BurlingtonCities Burlington Danville Mediapolis Middletown West Burlington Map of Iowa highlighting Des Moines CountyTownships Benton Burlington Concordia Danville Flint River Franklin Huron Jackson Pleasant Grove Tama Union Washington Yellow Springs CDPs Augusta Beaverdale Kingston Oak Hills Sperry Yarmouth Othercommunity Dodgeville Iowa portal United States portal 40°46′08″N 91°12′47″W / 40.7689°N 91.2131°W / 40.7689; -91.2131