South Bend is a city located in the U.S. state of Indiana. It is within and the county seat of St. Joseph County. South Bend derived its name from its southernmost bend location on the St. Joseph River. It has a total area of 41.82 square miles at 41°40′21″N 86°15′19″W. The elevation is 692 feet above sea level. As of the 2010 census data, it had a total population of 101,166. The population density was 2,457.37/sq mi. Estimated per capita income in 2016 was $19,644. It has Zip codes 46601, 46604, 46612–46617, 46619–46620, 46624, 46626, 46628–46629, 46634–46635, 46637, 46660, 46680, and 46699.