South Bend is a city located in St. Joseph County, Indiana, in the United States. It serves as the county seat and is situated along the St. Joseph River near its southernmost bend, which is the source of the city's name.
The city anchors the broader Michiana region and is positioned directly south of the northern border between Indiana and Michigan. As of the 2020 census, South Bend had a population of 103,453, making it the fourth-most populous city in the state of Indiana.
The surrounding metropolitan area reported a population of 324,501 in 2020, while its combined statistical area included 812,199 residents.