Mayfield township represents an area within the Mayfield township subdivision of the DeKalb County (Illinois),
which is not part of any official city, town or other place of the Mayfield township subdivision.
This area is populated by approximatelly 929 people and occupies the area of 36 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (93.97%), Black or African American (2.48%) and Asian (1.4%).
The male part of the population has a median age of 40 and the “median female” is 43 years old.
Statistical data for the Mayfield township based on the 2010 U.S. Census