| Official Name: | Mississippi Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Jersey County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Jersey County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Jersey |
| Established Title: | Established |
| Established Date: | November 5, 1878 |
| Area Total Sq Mi: | 36.35 |
| Area Land Sq Mi: | 36.3 |
| Area Water Sq Mi: | 0.04 |
| Area Water Percent: | 0.11 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 56.2 |
| Elevation M: | 201 |
| Elevation Ft: | 659 |
| Coordinates: | 39.0411°N -90.3106°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 62022, 62035, 62052 |
| Blank Name: | FIPS code |
| Blank Info: | 17-083-49672 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 1919 |
| Unit Pref: | Imperial |
Mississippi Township is one of eleven townships in Jersey County, Illinois, United States. As of the 2010 census, its population was 2,041 and it contained 804 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 99.86%) is land and (or 0.11%) is water.[2]
The township contains these five cemeteries: Bethel, Lamb Memorial, Lurton, Newbern and Van Horn.