The Eldorado Post Office is located in the state of Ohio within Preble County. This location serves 931 Eldorado residents with a median income of $57,857. It's estimated that approximately 1,486 packages pass through this post office each year.
The Eldorado Post Office is located in the state of Ohio within Preble County. This location serves 931 Eldorado residents with a median income of $57,857. It's estimated that approximately 1,486 packages pass through this post office each year.