South Otter Township, Macoupin County, Illinois

South Otter Township (T11N R7W) is located in Macoupin County, Illinois, United States. As of the 2010 census, its population was 465 and it contained 204 housing units.

Geography
According to the 2010 census, the township has a total area of 36.41 sqmi, of which 35.77 sqmi (or 98.24%) is land and 0.63 sqmi (or 1.73%) is water.

Adjacent townships

 * North Otter Township (north)
 * Girard Township (northeast)
 * Nilwood Township (east)
 * Shaws Point Township (southeast)
 * Carlinville Township (south)
 * Bird Township (southwest)
 * South Palmyra Township (west)
 * North Palmyra Township (northwest)