[3] The county was named for James Monroe.

[4] Monroe County is included in the Macon, GA metropolitan statistical area.

[5]Located on the fall line, it straddles between the Piedmont and the Atlantic coastal plain.

The vast majority of Monroe County is located in the Upper Ocmulgee River sub-basin of the Altamaha River basin, with just a tiny southwestern corner of the county, west of a line between Yatesville and Culloden, located in the Upper Flint River sub-basin of the ACF River Basin (Apalachicola-Chattahoochee-Flint River Basin).

[6] As of the 2020 United States census, there were 27,957 people, 9,760 households, and 6,179 families residing in the county.