Sponsored Listings:
Columbia Post Office
800 Columbia Center
Columbia, Illinois 62236
Fults Post Office
200 Main St
Fults, Illinois 62244
Hecker Post Office
140 W Monroe St
Hecker, Illinois 62248
Maeystown Post Office
941 Mill St
Maeystown, Illinois 62256
Renault Post Office
2130 Main St
Renault, Illinois 62279
Valmeyer Post Office
100 Knobloch Blvd
Valmeyer, Illinois 62295
Waterloo Post Office
305 E 3rd St
Waterloo, Illinois 62298
Monroe County
There are 7 US Post Offices in Monroe County serving a total of 32,315 residents equating to 4,616 residents per post office. It's estimated that approximately 51,578 packages are handled across the 7 county post offices annually. Monroe County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 32,957. Its county seat and largest city is Waterloo. Monroe County is included in the St. Louis, MO-IL Metropolitan Statistical Area. It is located in the southern portion of Illinois known locally as \"Little Egypt\"."