| Official Name: | Elk Prairie Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Jefferson County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Jefferson County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Area Total Sq Mi: | 36.66 |
| Area Land Sq Mi: | 27.47 |
| Area Water Sq Mi: | 9.19 |
| Area Water Percent: | 25.07 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 26.4 |
| Elevation M: | 126 |
| Elevation Ft: | 413 |
| Coordinates: | 38.1667°N -147°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 62816, 62846, 62883, 62894 |
| Blank Name: | FIPS code |
| Blank Info: | 17-081-23334 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 725 |
| Unit Pref: | Imperial |
Elk Prairie Township is one of sixteen townships in Jefferson County, Illinois, USA. As of the 2010 census, its population was 725 and it contained 350 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 74.93%) is land and (or 25.07%) is water.[2] The township is centered at 38°10'N 88°59'W (38.170,-88.987).
(This list is based on USGS data and may include former settlements.)
(These towns are listed as "historical" by the USGS.)
The township contains these four cemeteries: Abner, Clampet, Mason and Old Baptist.