| Official Name: | Haddon Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Sullivan |
| Government Type: | Indiana township |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 71.47 |
| Area Land Sq Mi: | 71.22 |
| Area Water Sq Mi: | 0.25 |
| Area Water Percent: | 0.35 |
| Population As Of: | 2020 |
| Population Total: | 3762 |
| Population Density Sq Mi: | auto |
| Elevation M: | 158 |
| Elevation Ft: | 518 |
| Coordinates: | 38.9622°N -87.4006°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 47561, 47838, 47865, 47882 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453360 |
Haddon Township is one of nine townships in Sullivan County, Indiana, United States. As of the 2020 census, its population was 3,762 and it contained 780 housing units.[1]
According to the 2010 census, the township has a total area of, of which (or 99.65%) is land and (or 0.35%) is water.[2]
(This list is based on USGS data and may include former settlements.)
The township contains these thirty two cemeteries: Alsman, Arnett, Bethlehem, Benefiel, Booker, Boone, Boyle, Carlisle Old Town, Cartwright, Dooley, Duncan, Engle, Hackett, Haddon, Harper, Independent Order of Odd Fellows, Land, Ledgerwood, Lewis, Loudermilk, McCammon, Mccammon #1, Neil Paxton, Providence, Purcell, Skidmore, Shepard, Snyder, Trimble, Vester, Wilson, and Walters.