It is closely tied to neighboring Homewood, sharing a high school and park district.

[4] Although Flossmoor's founding and settlement can be traced to the 19th century, the city was first recognized as an affluent community in the 1920s when it became known as a cultural and recreational mecca of elite country clubs and stately golf courses.

[5] In the years since, Flossmoor has gained recognition from area real estate and tourist concerns as the "status" suburb of south/southwest suburban Chicago.

[7] According to the 2021 census gazetteer files, Flossmoor has a total area of 3.66 square miles (9.48 km2), all land.

[citation needed] As of the 2020 census[12] there were 9,704 people, 3,391 households, and 2,499 families residing in the village.

[citation needed] Flossmoor is home to Infant Jesus of Prague School, a private, Roman Catholic K-8 school operated by St. Veronica Parish, formerly Infant Jesus of Prague Parish, which merged in 2022 with St. Irenaeus in Park Forest IL (permanently closed) and St. Lawrence O'Toole in Matteson IL (also permanently closed).

IJP, as the school is known, is a two-time winner of the U.S. Department of Education's Blue Ribbon Award.