the county in Tennessee with the highest population is Shelby county. it has a population of 906, 825 people.
As of 2005, Shelby County which has Memphis as its County Seat was Tennessee's most populous county and the largest in area with an estimated 909,035 residents.
According to census.gov, Shelby County, Tennessee, has the most population at 910,100 people in 2007.
Wayne County is the most populated county.
Maricopa County home of the Phoenix area is the most populated county in Arizona.
The 2012 census ranks Shelby as Tennessee's most populated county. There were 939,877 reported ;living in Shelby county. Davidson county comes second with only 648,801 residents.
Oahu is the most populated island in Hawaii; Maui County is the most populated county.
Cambria county
Nashville is the most populated city in Tennessee. Memphis is the second most populated city. The U.S. Census Bureau reports that as of July 1, 2015 Nashville has a population of 654,610 and Memphis has a population of 653,450.
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.