Eldorado Flag

Eldorado

County:
Saline County
County Seat:
No
Area (mi²):
2.503
State:
Illinois

Eldorado is a city located in Saline County, Illinois. Eldorado has a 2026 population of 3,583. Eldorado is currently declining at a rate of -0.72% annually and its population has decreased by -3.99% since the most recent census, which recorded a population of 3,732 in 2020.

3.6K
Total Population
1,431
Density (mi²)
-26 -0.72%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)