The city of South Bend is the county seat of St. Joseph County, Indiana, United States, on the St. Joseph River near its southernmost bend, from which it derives its name. As of the 2010 census, the city had a total of 101,168 residents; its Metropolitan Statistical Area had a population of 318,586 and Combined Statistical Area of 721,296. It is the fourth-largest city in Indiana, serving as the economic and cultural hub of Northern Indiana.