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.

Geography

According to the 2010 census, the township has a total area of 71.47 sqmi, of which 71.22 sqmi (or 99.65%) is land and 0.25 sqmi (or 0.35%) is water.

Cities, towns, villages

Unincorporated towns

(This list is based on USGS data and may include former settlements.)

Adjacent townships

Cemeteries

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.

Major highway

School districts

Political districts