Harmony Township is one of ten townships in Posey County, Indiana. As of the 2000 census, its population was 1,473.
Harmony Township was organized in 1821. A large share of the first settlers being Harmonites caused the name to be selected.
- ^ "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- ^ Leffel, John C. (1913). History of Posey County, Indiana. Standard Publishing Company. p. 78.
- ^ History of Posey County, Indiana: from the earliest times to the present. Goodspeed Publishing Co. 1886. p. 278.