The Graham township is a subdivision of the Johnson County, in the state of Iowa.
This subdivision represents an area of 31 square miles - 1 square miles are water areas.
There are 0 cities, towns or villages in the Graham township subdivision - their combined population count is 0.
Approximatelly 489 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 489.
Racial makeup of this subdivision is as follows : White (98.57%),
followed by Two or More races (0.82%) and Asian (0.41%).
Median age for the male population is 44 and 44 for the female part.
Statistical data for the Graham township based on the 2010 U.S. Census