Four Mile township
- County:
- Wayne County
- County Seat:
- No
- Area (mi²):
- 40.076
- State:
- Illinois
Four Mile township is located in Wayne County, Illinois. Four Mile township has a 2026 population of 552. Four Mile township is currently growing at a rate of 0.55% annually but its population has decreased by -1.25% since the most recent census, which recorded a population of 559 in 2020.
The median household income in Four Mile township is $68,851 with a poverty rate of 14.78%. The median age in Four Mile township is 61 years: 57.8 years for males, and 61.2 years for females. For every 100 females there are 102.6 males.