River Forest is a town in Anderson Township, Madison County, Indiana, United States. It is part of the Indianapolis–Carmel–Anderson metropolitan statistical area. The population was 26 at the 2020 census.

Madison County is a county in the U.S. state of Indiana. The 2020 census states the population is standing at 130,129. The county seat since 1836 has been Anderson, one of three incorporated cities within the county.