Mishawaka ( /mwk/) is a city on the St. Joseph River and a Twin city of South Bend in St. Joseph County, Indiana, United States. The population was 48,252 as of the 2010 Census. Its nickname is "the Princess City." Mishawaka is a principal city of the South BendMishawaka, IN-MI, Metropolitan Statistical Area. Mishawaka, Indiana, is a growing commercial city in Northern Indiana, located next to South Bend and Notre Dame, Indiana.