| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Prophetstown Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Whiteside |
| Leader Title: | Supervisor |
| Area Total Sq Mi: | 48.47 |
| Area Land Sq Mi: | 47.95 |
| Area Water Sq Mi: | 0.52 |
| Area Water Percent: | 1.07 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 54.5 |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 2510 |
| Blank Name: | FIPS code |
| Blank Info: | 17-195-61990 |
Prophetstown Township is located in Whiteside County, Illinois, United States. As of the 2010 census, its population was 2,615 and it contained 1,162 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 98.93%) is land and (or 1.07%) is water.[2]