Monroe is a medium-sized city located in the state of Michigan. With a population of 20,089 people and 16 associated neighborhoods, Monroe is the 68th largest community in Michigan.

The citizens of Monroe are slightly better educated than the national average of 21.84% for all cities and towns, with 21.46% of adults in Monroe having a bachelor's degree or advanced degree.

The per capita income in Monroe in 2022 was $30,892, which is middle income relative to Michigan, and lower middle income relative to the rest of the US. This equates to an annual income of $123,568 for a family of four. However, Monroe contains both very wealthy and poor people as well.

Monroe is a somewhat ethnically-diverse city. The people who call Monroe home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Monroe residents report their race to be White, followed by Black or African-American. Important ancestries of people in Monroe include German, Irish, English, Polish, and French.

The most common language spoken in Monroe is English. Other important languages spoken here include Italian and Polish.