Bois D'Arc Township (T12N W½R4+R5W) is located in Montgomery County, Illinois, United States. As of the 2010 census, its population was 956 and it contained 451 housing units.

Geography

According to the 2010 census, the township has a total area of 54.62 square miles (141.5 km), of which 54.56 square miles (141.3 km) (or 99.89%) is land and 0.06 square miles (0.16 km) (or 0.11%) is water.

Demographics

Historical population

Census	Pop.	Note	%±
2016 (est.)	917
U.S. Decennial Census

Adjacent townships

• Divernon Township, Sangamon County (north)
• Pawnee Township, Sangamon County (north)
• South Fork Township, Christian County (northeast)
• King Township, Christian County (east)
• Harvel Township (southeast)
• Pitman Township (south)
• Nilwood Township, Macoupin County (southwest)
• Girard Township (west)
• Virden Township (west)
• Auburn Township, Sangamon County (northwest)