Granger is a census-designated place (CDP) in Clay and Harris townships, St. Joseph County, in the U.S. state of Indiana. As of the 2020 census, Granger had a population of 30,337. Penn-Harris-Madison School Corporation and the South Bend Community School Corporation maintain the public schools in the area. Granger is part of the South Bend–Mishawaka metropolitan area as well as the larger Michiana region.