[6] The name Eldora was given to the town by a local mother in honor of her dead infant daughter.

[9] According to the United States Census Bureau, the city has a total area of 4.33 square miles (11.21 km2), all land.

[10] Eldora is located on east edge of the Altmont Moraine, the glacial moraine that marks the east border of the Des Moines Lobe of the Wisconsin Glaciation.

The town is just west of the gorge of the Iowa River that borders the moraine.

The river here has cut through the sandstone bedrock underlying the moraine.

[11] Designated as having a humid continental climate, this region typically has a large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters.

South Hardin High School is located in Eldora.

South Hardin Middle School is located in Hubbard.

The Eldora Herald-Ledger is a weekly newspaper covering both Eldora and Hardin County events including the schools AGWSR, BCLUW, and South Hardin.

Since November 2014, it has been printed on Tuesdays by the Hampton, Iowa based Mid-America Publishing Corporation.

[19] Eldora is located adjacent to the Iowa River and Pine Lake State Park.

[20] The city is most famous for the shooting of the 1996 movie Twister on location.

The true final part of the climactic tornado was filmed at the old Follett house in Eldora which is now a private home.