[1] Richton Park serves as the governmental seat for the township.

As of the 2020 census[1] there were 76,138 people, 29,269 households, and 17,852 families residing in the township.

There were 31,802 housing units at an average density of 870.38 per square mile (336.06/km2).

The racial makeup of the township was 74.17% African American, 16.69% White, 0.24% Native American, 1.11% Asian, 0.02% Pacific Islander, 2.90% from other races, and 4.89% from two or more races.

36.00% of all households were made up of individuals, and 17.70% had someone living alone who was 65 years of age or older.