Romine Township is located in Marion County, Illinois. As of the 2010 census, its population was 514 and it contained 227 housing units.
Romine Township (T1N R4E) is centered at 38ð31â²N 88ð45â²W (38.509,-88.763). According to the 2010 census, the township has a total area of , of which (or 99.83%) is land and (or 0.14%) is water.