Notre Dame is a census-designated place and unincorporated community north of the city of South Bend in St. Joseph County, in the U.S. state of Indiana. It includes the campuses of three colleges: the University of Notre Dame, Saint Mary's College, and Holy Cross College. Notre Dame is split between Clay and Portage Townships. As of the 2020 census, its po…Notre Dame is a census-designated place and unincorporated community north of the city of South Bend in St. Joseph County, in the U.S. state of Indiana. It includes the campuses of three colleges: the University of Notre Dame, Saint Mary's College, and Holy Cross College. Notre Dame is split between Clay and Portage Townships. As of the 2020 census, its population was 7,234.