 sweet township is a township in pipestone county, minnesota, united states. the population was 448 at the 2000 census. the unincorporated community of airlie is located here one mile east of the south dakota border. the pipestone national monument is also located here. the township lies just outside the city of pipestone, adjacent to the city's western and southwestern sides. ==geography== according to the united states census bureau, the township has a total area of 41.3&nbsp;square miles (107.0&nbsp;kmÂ²), of which 41.3&nbsp;square&nbsp;miles (107.0&nbsp;kmÂ²) of it is land and 0.02% is water. ==demographics== as of the census of 2000, there were 448 people, 127 households, and 100 families 
Townships_in_Minnesota Townships_in_Pipestone_County,_Minnesota