
Mississippi township
- County:
- Jersey County
- County Seat:
- No
- Area (mi²):
- 36.357
- State:
- Illinois
Mississippi township is located in Jersey County, Illinois. Mississippi township has a 2025 population of 1,668. Mississippi township is currently declining at a rate of -1.36% annually and its population has decreased by -6.66% since the most recent census, which recorded a population of 1,787 in 2020.
The average household income in Mississippi township is $103,243 with a poverty rate of 5.26%. The median age in Mississippi township is 45.5 years: 43.7 years for males, and 45.6 years for females.