 According to the United States Census Bureau, the township has a total area of 12.0 square miles (31.0 km²), of which 11.7 square miles (30.2 km²) is land and 0.3 square miles (0.7 km²) (2.34%) is water.As of the census of 2000, there were 1,196 people, 447 households and 333 families residing in the township.The population density was 102.4 per square mile (39.6/km²).