 eldora is a city in hardin county, iowa, united states. the population was 2,732 at the 2010 census. it is the county seat of hardin county. ==history== eldora was platted in 1853. it was incorporated on july 1, 1895.{{c
1895_establishments_in_the_United_States Cities_in_Hardin_County,_Iowa Cities_in_Iowa County_seats_in_Iowa Populated_places_established_in_1895