Charles M Mammen (Postmaster)
charles.m.mammen@usps.gov
107 E Ottawa St
Troy Grove, IL 61372
Troy Grove, IL 61372
The Troy Grove Post Office is located in the state of Illinois within La Salle County. This location serves 145 Troy Grove residents with a median income of $65,250. It's estimated that approximately 231 packages pass through this post office each year.