Bethlehem Township was organized in 1836. It was named for an early settler's native hometown of Bethlehem, Pennsylvania.[5]
Geography
According to the 2010 census, the township has a total area of 35.36 square miles (91.6 km2), of which 35.31 square miles (91.5 km2) (or 99.86%) is land and 0.04 square miles (0.10 km2) (or 0.11%) is water.[4]