Noblesville Township is one of nine townships in Hamilton County, Indiana, USA. As of the 2000 census, its population was 34,534. Records show that the township had 44,503 residents as in 2007.
Noblesville Township covers an area of 49.07 square miles (127.1 square kilometers); of this, 1.59 square miles (4.12 square kilometers) or 3.24 percent is water. The streams of Dry Branch, East Fork Sly Run, Hinkle Creek, Overdorff Branch and West Fork Sly Run run through this township.