Union Township, St. Joseph County, Indiana

Union Township
Location in St. Joseph County
Coordinates: 41°31′08″N 86°15′40″W / 41.51889°N 86.26111°W / 41.51889; -86.26111
Country United States
State Indiana
CountySt. Joseph
Government
 • TypeIndiana township
Area
 • Total
43.10 sq mi (111.62 km2)
 • Land42.89 sq mi (111.08 km2)
 • Water0.21 sq mi (0.54 km2)  0.48%
Elevation
846 ft (258 m)
Population
 (2020)
 • Total
3,478
 • Density81.09/sq mi (31.31/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP codes
46506, 46536, 46554, 46614
Area code574
GNIS feature ID453933
WebsiteOfficial website

Union Township is one of thirteen townships in St. Joseph County, in the U.S. state of Indiana. As of the 2020 census, its population was 3,478.