Granger is census-designated place in St. Joseph County, Indiana, United States, located in Clay and Harris Townships. The population was 30,465 at the 2010 census. 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, IN-MI, Metropolitan Statistical Area as well as the larger Michiana region.
Granger is located at 41°44′18″N 86°8′56″W / 41.73833°N 86.14889°W / 41.73833; -86.14889 (41.738320, -86.148777).
According to the United States Census Bureau, the CDP has a total area of 26.2 square miles (67.9 km²), all of it land.