| Official Name: | Hamilton 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: | 60.91 |
| Area Land Sq Mi: | 59.58 |
| Area Water Sq Mi: | 1.33 |
| Area Water Percent: | 2.18 |
| Population As Of: | 2020 |
| Population Total: | 7143 |
| Population Density Sq Mi: | auto |
| Elevation M: | 156 |
| Elevation Ft: | 512 |
| Coordinates: | 39.1131°N -87.3939°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 47879, 47882 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453366 |
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.[1]
According to the 2010 census, the township has a total area of, of which (or 97.82%) is land and (or 2.18%) is water.[2]
(This list is based on USGS data and may include former settlements.)