Grafton township represents an area within the Grafton township subdivision of the Sibley County (Minnesota),
which is not part of any official city, town or other place of the Grafton township subdivision.
This area is populated by approximatelly 238 people and occupies the area of 40 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (97.9%), Two or More races (0.84%) and Some Other Race (0.42%).
The male part of the population has a median age of 45 and the “median female” is 45 years old.
Statistical data for the Grafton township based on the 2010 U.S. Census