About This Place
Monroe City is a city in Marion, Monroe, and Ralls counties in the US state of Missouri. The population was 2,588 at the 2000 census.
The Marion and Ralls County portions of Monroe City are part of the Hannibal Micropolitan Statistical Area.
Monroe City is located at 39°39′13″N 91°43′56″W / 39.65361°N 91.73222°W / 39.65361; -91.73222 (39.653570, -91.732152).