Washington County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 14,716. Its county seat is Nashville. It is located in the southern portion of Illinois known locally as "Little Egypt".
Derinda Township is one of twenty-three townships in Jo Daviess County, Illinois, USA. As of the 2010 census, its population was 321 and it contained 176 housing units.
Campton Township is located in Kane County, Illinois. As of the 2010 census, its population was 17,174 and it contained 5,662 housing units.
Prophetstown Township is located in Whiteside County, Illinois. As of the 2010 census, its population was 2,615 and it contained 1,162 housing units.
Otto Township is one of seventeen townships in Kankakee County, Illinois, USA. As of the 2010 census, its population was 2,582 and it contained 937 housing units. It was formed from portions of Aroma and Limestone townships on December 11, 1855 as Carthage Township; its name was changed to Otto Township on March 11, 1857.
Gridley Township is located in McLean County, Illinois. As of the 2010 census, its population was 1,913 and it contained 790 housing units.
West Township is located in McLean County, Illinois. As of the 2010 census, its population was 216 and it contained 94 housing units. West Township changed its name from Kickapoo Township on May 17, 1858.
Onarga Township is one of twenty-six townships in Iroquois County, Illinois, USA. As of the 2010 census, its population was 1,683 and it contained 647 housing units.
McHenry Township is located in McHenry County, Illinois. As of the 2010 census, its population was 47,653 and it contained 19,120 housing units. McHenry Township shares the distinction with Nunda Township as being the two largest townships by land area in McHenry County, at 48.3 square miles (125 km2) each.
Astoria Township is one of twenty-six townships in Fulton County, Illinois, USA. As of the 2010 census, its population was 1,464 and it contained 665 housing units.
Sangamon Valley Township is one of eleven townships in Cass County, Illinois, USA. As of the 2010 census, its population was 328 and it contained 191 housing units.
Virginia Township is one of eleven townships in Cass County, Illinois, USA. As of the 2010 census, its population was 1,827 and it contained 840 housing units.
Ricks Township is one of seventeen townships in Christian County, Illinois, USA. As of the 2010 census, its population was 1,223 and it contained 537 housing units.
Venice Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 5,650 and it contained 2,728 housing units.
Centralia Township is located in Marion County, Illinois. As of the 2010 census, its population was 15,042 and it contained 7,360 housing units.
Casner Township is one of sixteen townships in Jefferson County, Illinois, USA. As of the 2010 census, its population was 1,239 and it contained 510 housing units.
Grand Prairie Township is one of sixteen townships in Jefferson County, Illinois, USA. As of the 2010 census, its population was 909 and it contained 391 housing units.
Bolo Township is located in Washington County, Illinois, United States. As of the 2010 census, its population was 419 and it contained 173 housing units.
Xenia Township is one of twelve townships in Clay County, Illinois, USA. As of the 2010 census, its population was 658 and it contained 305 housing units.
Galatia Township is located in Saline County, Illinois. As of the 2010 census, its population was 1,230 and it contained 592 housing units.
