Springfield Township is one of twenty-one townships in LaPorte County, Indiana. As of the 2020 census, its population was 3,770 (down from 4,045 at 2010 ) and it contained 1,574 housing units. Springfield Township was established in 1835.

Geography

According to the 2010 census, the township has a total area of 33.41 sqmi, of which 33.29 sqmi (or 99.64%) is land and 0.12 sqmi (or 0.36%) is water. Communities in the township include the incorporated town of Michiana Shores and the unincorporated community of Springville.