
Meridian township
- County:
- Clinton County
- County Seat:
- No
- Area (mi²):
- 36.793
- State:
- Illinois
Meridian township is located in Clinton County, Illinois. Meridian township has a 2025 population of 504. Meridian township is currently declining at a rate of 0% annually and its population has increased by 0.8% since the most recent census, which recorded a population of 500 in 2020.
The average household income in Meridian township is $73,926 with a poverty rate of 0%. The median age in Meridian township is 55.1 years: 48.5 years for males, and 56.7 years for females.