 The nearby townships of Kinzua and Corydon, having greatly reduced populations, were merged into Mead in 1963 and 1964, respectively.According to the United States Census Bureau, the township has a total area of 85.8 square miles (222.1 km²), of which, 78.5 square miles (203.3 km²) of it is land and 7.2 square miles (18.8 km²) of it (8.45%) is water.It is the largest township by area in Warren County.