Monroe County, Illinois Zip Codes

8 zips

Zip Code	City	Population ↓
62298	Waterloo	17,192
62236	Columbia	14,630
62278	Red Bud	6,692
62295	Valmeyer	1,449
62244	Fults	933
62248	Hecker	540
62279	Renault	70
62256	Maeystown	34

Overview of Zip Codes in Monroe County

8

ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Monroe County, Illinois (US Census).

Sources