 The unincorporated community of Sidney is located in the town.According to the United States Census Bureau, the town has a total area of 33.5 square miles (86.8 km²), of which, 33.3 square miles (86.3 km²) of it is land and 0.2 square miles (0.5 km²) of it (0.54%) is water.As of the census of 2000, there were 1,121 people, 421 households, and 309 families residing in the town.