Hamilton Township is one of nine townships in Sullivan County, Indiana, United States. As of the 2020 census, its population was 7,143 and it contained 3,404 housing units.

Geography

According to the 2010 census, the township has a total area of 60.91 sqmi, of which 59.58 sqmi (or 97.82%) is land and 1.33 sqmi (or 2.18%) is water.

Cities, towns, villages

Unincorporated towns

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

Adjacent townships

Major highways

Airports and landing strips

Landmarks

School districts

Political districts