Heth Township is one of twelve townships in Harrison County, Indiana, United States. As of the 2020 census, its population was 1,172 and it contained 542 housing units. The township was named for Harvey Heth, who surveyed much of Southern Indiana. He is buried in the western part of the township and was a major landholder in the area during the ea…Heth Township is one of twelve townships in Harrison County, Indiana, United States. As of the 2020 census, its population was 1,172 and it contained 542 housing units. The township was named for Harvey Heth, who surveyed much of Southern Indiana. He is buried in the western part of the township and was a major landholder in the area during the early 19th century.