As of the 2010 census, its population was 51,113 and it contained 24,527 housing units.

[3] Ely Homestead, a historic home in Fairfield Township, was listed on the National Register of Historic Places in 1976.

[4] According to the 2010 census, the township has a total area of 28.06 square miles (72.7 km2), of which 27.57 square miles (71.4 km2) (or 98.25%) is land and 0.49 square miles (1.3 km2) (or 1.75%) is water.

[3] (This list is based on USGS data and may include former settlements.)

The township contains ten cemeteries: Davis, Greenbush, Isley, Lafayette City Burial Grounds, Rest Haven Memorial Park, Sons of Abraham, Spring Vale, Saint Boniface, Saint Joseph's, Saint Marys, and Temple Israel.