The Washington township is a subdivision of the Johnson County, in the state of Iowa.
This subdivision represents an area of 37 square miles - 0 square miles are water areas.
There are 1 cities, towns or villages in the Washington township subdivision - their combined population count is 165.
Approximatelly 1.035 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 1.200.
Racial makeup of this subdivision is as follows : White (97.17%),
followed by Two or More races (1.5%) and Black or African American (0.67%).
Median age for the male population is 35 and 34 for the female part.
Statistical data for the Washington township based on the 2010 U.S. Census