Ridge township
- County:
- Shelby County
- County Seat:
- No
- Area (mi²):
- 35.391
- State:
- Illinois
Ridge township is located in Shelby County, Illinois. Ridge township has a 2026 population of 406. Ridge township is currently declining at a rate of -0.49% annually and its population has decreased by -1.46% since the most recent census, which recorded a population of 412 in 2020.
The median household income in Ridge township is $111,364 with a poverty rate of 10.58%. The median age in Ridge township is 38.7 years: 50.9 years for males, and 29.8 years for females. For every 100 females there are 69.1 males.