Widner Township is one of ten townships in Knox County, Indiana. As of the 2010 census, its population was 1,094 (down from 1,132 at 2010) and it contained 506 housing units.

Historical population

Census	Pop.	Note	%±
1890	1,820		—
1900	1,719		−5.5%
1910	1,767		2.8%
1920	1,745		−1.2%
1930	1,583		−9.3%
1940	1,611		1.8%
1950	1,540		−4.4%
1960	1,338		−13.1%
1970	1,278		−4.5%
1980	1,287		0.7%
1990	1,197		−7.0%
2000	1,165		−2.7%
2010	1,132		−2.8%
2020	1,094		−3.4%
Source: US Decennial Census

History

Widner Township was named for John Widner, a pioneer settler.

Kixmiller's Store at Freedlandville was added to the National Register of Historic Places in 1978.

Geography

According to the 2010 census, the township has a total area of 41.24 square miles (106.8 km), of which 41.2 square miles (107 km) (or 99.90%) is land and 0.04 square miles (0.10 km) (or 0.10%) is water.