1.Cook County 2.Will County 3.DuPage County 4.McHenry County 5.Kane County
Most of places in central and eastern parts of China are highly populated. While most of west is much less populated simply due to harsh climate conditions.
Jakarta.
The Cherokee.
Malta
Hardin County is the smallest county in Illinois with a population of 4,320 per the 2010 U.S. Census.
Wayne County is the most populated county.
Maricopa County home of the Phoenix area is the most populated county in Arizona.
Oahu is the most populated island in Hawaii; Maui County is the most populated county.
Cambria county
The most populated county in the US is Los Angeles County in California with a total population of 9,878,554.
Stoughton is the fifth most populated city in Dane county with a population of 12,692.
Los Angeles County
Salt Lake County
Cuyahoga County (Cleveland)
Kentuckys most densely populated county is Jefferson.It has more than twice the populous as the second largest county Fayette.
Marion County has the most population In Indiana.