Remainder of Walnut township represents an area within the Walnut township subdivision of the Madison County (Iowa),
which is not part of any official city, town or other place of the Walnut township subdivision.
This area is populated by approximatelly 283 people and occupies the area of 36 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (99.29%), Two or More races (0.71%) and Some Other Race (0%).
The male part of the population has a median age of 46 and the “median female” is 42 years old.
Statistical data for the Remainder of Walnut township based on the 2010 U.S. Census