Sec. 4. Senate District 4 consists of the following: LaPorte County TOWNSHIPS: Michigan Township, New Durham Township LaPorte County PRECINCTS: COOLSPRING 02, COOLSPRING 04, COOLSPRING 05, MC 11, MC 12, MC 13, MC 14, MC 15, MC 17, MC 21, MC 24 (NV), MC 45, TRAIL CREEK 02 Porter County TOWNSHIPS: Jackson Township, Liberty Township, Pine Township, Portage Township, Westchester Township
As added by P.L.221-2021, SEC.17.