The Somonauk township is a subdivision of the DeKalb County, in the state of Illinois.
This subdivision represents an area of 20 square miles - 1 square miles are water areas.
There are 2 cities, towns or villages in the Somonauk township subdivision - their combined population count is 1.644.
Approximatelly 457 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 2.101.
Racial makeup of this subdivision is as follows : White (95.76%),
followed by Two or More races (1.95%) and Some Other Race (1.38%).
Median age for the male population is 36 and 39 for the female part.
Statistical data for the Somonauk township based on the 2010 U.S. Census