The Union township is a subdivision of the Johnson County, in the state of Iowa.
This subdivision represents an area of 35 square miles - 1 square miles are water areas.
There are 1 cities, towns or villages in the Union township subdivision - their combined population count is 0.
Approximatelly 659 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 659.
Racial makeup of this subdivision is as follows : White (97.72%),
followed by Asian (0.91%) and Two or More races (0.61%).
Median age for the male population is 51 and 50 for the female part.
Statistical data for the Union township based on the 2010 U.S. Census