Brushy Mound Township (T9N R7W) is located in Macoupin County, Illinois, United States.
As of the 2010 census, its population was 714 and it contained 357 housing units.
[2] According to the 2010 census, the township has a total area of 35.74 square miles (92.6 km2), of which 35.23 square miles (91.2 km2) (or 98.57%) is land and 0.51 square miles (1.3 km2) (or 1.43%) is water.
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