Geography right|Location of Spring Brook, WisconsinAccording to the United States Census Bureau, the town has a total area of 62.1 square miles (160.9 km), of which, 60.8 square miles (157.4 km) of it is land and 1.4 square miles (3.5 km) of it (2.17%) is water.
Geography right|Location of Spring Brook, WisconsinAccording to the United States Census Bureau, the town has a total area of 62.1 square miles (160.9 km) of which, 60.8 square miles (157.4 km) of it is land and 1.4 square miles (3.5 km) of it (2.17%) is water.