As of the 2020 census, its population was 2,493 (down from 2,610 at 2010[3]) and it contained 1,107 housing units.

Helt Township was named for Daniel Helt, a pioneer who settled in Vermillion County in 1818.

[4] The Possum Bottom Covered Bridge and Salem Methodist Episcopal Church are listed on the National Register of Historic Places.

[3] (This list is based on USGS data and may include former settlements.)

The township contains nine cemeteries: Andrews, Bales, Bogart, Dinsmore, Helts Prairie, Higbie, Highland, Hollingsworth and Pisgah.