Monroe County, Illinois

4 town guides · county population 35,036.

Monroe County has 7 Census places. The biggest are Waterloo (11,129), Columbia (11,127), Dupo (3,879), Valmeyer (1,090) and Hecker (521). 4 have a town guide so far; the others get one once there is enough real information about them.

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Places without a guide yet (3)

These get a page once there is enough real information about them.

• Hecker 521
• Maeystown 65
• Fults 12