Clearspring Township is one of eleven townships in LaGrange County, Indiana. As of the 2020 census, its population was 4,662, up from 4,181 at the previous census.

According to the 2020 "ACS 5-Year Estimates Data Profiles", 38.9% of the township's population spoke only English, while 60.2 spoke an "other [than Spanish] Indo-European language" (basically Pennsylvania German/German).

Clearspring Township was founded in 1837.

Geography

According to the 2010 census, the township has a total area of 35.98 square miles (93.2 km), of which 35.65 square miles (92.3 km) (or 99.08%) is land and 0.33 square miles (0.85 km) (or 0.92%) is water.

Demographics

Historical population

Census	Pop.	Note	%±
2010	4,181		—
2020	4,662		11.5%
U.S. Censuses: 2010, and 2020