Eldorado
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 0.734
- State:
- Oklahoma
Eldorado is a town located in Jackson County, Oklahoma. Eldorado has a 2026 population of 315. Eldorado is currently declining at a rate of -0.63% annually and its population has decreased by -1.56% since the most recent census, which recorded a population of 320 in 2020.