South Monroe is an unincorporated community and census-designated place (CDP) in Monroe County in the U.S. state of Michigan. The population was 6,468 at the 2020 census. The CDP is located within Monroe Charter Township.

Geography

According to the U.S. Census Bureau, the CDP has a total area of , all land.

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2020 census

As of the 2020 census, South Monroe had a population of 6,468. The median age was 43.6 years. 20.2% of residents were under the age of 18 and 22.3% of residents were 65 years of age or older. For every 100 females there were 88.0 males, and for every 100 females age 18 and over there were 86.6 males age 18 and over.

100.0% of residents lived in urban areas, while 0.0% lived in rural areas.

There were 2,841 households in South Monroe, of which 24.3% had children under the age of 18 living in them. Of all households, 38.8% were married-couple households, 19.7% were households with a male householder and no spouse or partner present, and 34.4% were households with a female householder and no spouse or partner present. About 36.7% of all households were made up of individuals and 19.3% had someone living alone who was 65 years of age or older.