As of the 2020 census, its population was 1,765 (down from 1,915 at 2010[3]) and it contained 749 housing units.

[4] Darlington Covered Bridge was listed on the National Register of Historic Places in 1990.

[5] According to the 2010 census, the township has a total area of 38.93 square miles (100.8 km2), all land.

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

The township contains Greenlawn Cemetery.