
Eldorado township
- County:
- Saline County
- County Seat:
- No
- Area (mi²):
- 36.467
- State:
- Illinois
Eldorado township is located in Saline County, Illinois. Eldorado township has a 2025 population of 132. Eldorado township is currently declining at a rate of -0.75% annually and its population has decreased by -2.22% since the most recent census, which recorded a population of 135 in 2020.
The average household income in Eldorado township is $86,639 with a poverty rate of 9.26%. The median age in Eldorado township is 44.8 years: 30.8 years for males, and 61.1 years for females.