The Big Grove township is a subdivision of the Johnson County, in the state of Iowa.
This subdivision represents an area of 34 square miles - 3 square miles are water areas.
There are 1 cities, towns or villages in the Big Grove township subdivision - their combined population count is 2.037.
Approximatelly 1.699 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 3.736.
Racial makeup of this subdivision is as follows : White (98.15%),
followed by Two or More races (0.72%) and Some Other Race (0.46%).
Median age for the male population is 41 and 41 for the female part.
Statistical data for the Big Grove township based on the 2010 U.S. Census