St. Joseph County, Indiana

Saint Joseph County
County
Old St. Joseph County courthouse in South Bend, Indiana
Flag Seal
Location within the U.S. state of Indiana
Indiana's location within the U.S.
Coordinates: 41°37′00″N 86°17′23″W / 41.61672°N 86.28986°W / 41.61672; -86.28986
Country	United States
State	Indiana
Founded	1830
Named for	St. Joseph River
Seat	South Bend
Largest city	South Bend
Area
• Total	461.38 sq mi (1,195.0 km2)
• Land	457.85 sq mi (1,185.8 km2)
• Water	3.54 sq mi (9.2 km2)  0.77%
Population  (2020)
• Total	272,912
• Estimate  (2023)	272,848
• Density	590/sq mi (230/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional district	2nd
Website	www.sjcindiana.com
Indiana county number 71 Fifth-most populous county in Indiana as of 2010

St. Joseph County, colloquial St. Joe County by residents, is a county located in the U.S. state of Indiana. As of the 2020 census, the population was 272,912,^[1] making it the fifth-most populous county in Indiana. Formed in 1830, it was named for the St. Joseph River which flows through it to Lake Michigan. The county seat is South Bend.^[2] St. Joseph County is part of the South Bend–Mishawaka, IN–MI "Michiana", Metropolitan Statistical Area.