Eldorado URL: https://knowledge.ivjn.us/en/places/il-eldorado.html Eldorado is a town in Illinois, United States. ## Overview Eldorado is a town in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 4,064[^geonames]. ## Geography - Coordinates: 37.8137, -88.4381 Updated: 2026-10-29 Relations: - Located in: Saline County https://knowledge.ivjn.us/en/places/il-saline-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip