About the Town of Helvetia
The township has a total area of 36.2 square miles (93.8 km²), of which, 35.9 square miles (93.1 km²) of it is land and 0.3 square miles (0.8 km²) of it (0.80%) is water.
The Town of Helvetia comprises Township 24 north. Range 12 east. It is bounded on the north by the Town of Wyoming, on the east by Union, on the south by St. Lawrence, and on the west by lola.