Aetna Township is located in Logan County, Illinois.

Aetna Township most likely derives its name from Mount Etna.

[3] According to the 2010 census, the township has a total area of 34.66 square miles (89.8 km2), all land.

[2] According to the 2020 United States census, Aetna Township has a population of 476 in 212 houses.

This Logan County, Illinois location article is a stub.