Mathew J Martinez (Postmaster)
matthew.j.martinez@usps.gov
1070 1st Ave
Gibbon, MN 55335
Gibbon, MN 55335
The Gibbon Post Office is located in the state of Minnesota within Sibley County. This location serves 1,629 Gibbon residents with a median income of $49,375. It's estimated that approximately 2,600 packages pass through this post office each year.