 It was named for the nation of Sweden, the native country of its early pioneer settlers.According to the United States Census Bureau, the township has a total area of 33.7 square miles (87.4 km²), of which, 33.7 square miles (87.3 km²) of it is land and 0.03% is water.Sweden Township is bordered by Allegany Township to the north, Ulysses Township to the east, Summit Township to the south and Eulalia Township to the west.