| Official Name: | Prairieton Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Vigo |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 18.51 |
| Area Land Sq Mi: | 17.83 |
| Area Water Sq Mi: | 0.68 |
| Area Water Percent: | 3.67 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 1130 |
| Population Density Sq Mi: | 68.6 |
| Elevation M: | 140 |
| Elevation Ft: | 459 |
| Coordinates: | 39.3592°N -87.5031°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 47870 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453775 |
Prairieton Township is one of twelve townships in Vigo County, Indiana, United States. As of the 2010 census, its population was 1,222 and it contained 517 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 96.33%) is land and (or 3.67%) is water.[2]
The township contains New Harmony Cemetery.Prairieton Cemetery is located in Prairieton, Indiana.