As of the 2010 census, its population was 5,275 and it contained 2,379 housing units.
[3] According to the 2010 census, the township has a total area of 35.29 square miles (91.4 km2), all land.
[2] (This list is based on USGS data and may include former settlements.)
The township contains Independent Order of Odd Fellows Cemetery.
Lafayette Township residents may obtain a free library card from the North Madison County Public Library System with branches in Elwood, Frankton, and Summitville.