Remainder of Mason City township represents an area within the Mason City township subdivision of the Mason County (Illinois),
which is not part of any official city, town or other place of the Mason City township subdivision.
This area is populated by approximatelly 290 people and occupies the area of 36 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (96.9%), Two or More races (2.07%) and Some Other Race (1.03%).
The male part of the population has a median age of 33 and the “median female” is 42 years old.
Statistical data for the Remainder of Mason City township based on the 2010 U.S. Census