According to the
United States Census Bureau, Harris Township covers an area of , all land.
Cities, towns, villages •
Mishawaka (partial)
CDPs •
Granger (partial)
Cemeteries The township contains Harris Prairie Cemetery on Adams Road, and Salem Cemetery near Ash and Brummitt Roads.
Major highways •
Interstate 80 •
Interstate 90 •
Indiana State Road 23 Airports and landing strips • Cam-Air Airport • Foos Field ==Education==