Los Angeles County, California, has the largest population of any county in the United States, with about 9.8 million people. Cook County, Illinois, including the city of Chicago, is second with about 5.2 million people.
Los Angeles County has more people than 40 of the states.
The most populated county in the US is Los Angeles County in California with a total population of 9,878,554.
The county with the most people in it in the United States is Los Angeles County, located in California.
Garvin County Oklahoma
Orange County
Oklahoma County
New Castle County.
County Dublin
County Dublin
marinette county in Wisconsin
Florida is the US county that receives the most lightning deaths each year. On average, about 10 people die from lightning strikes in Florida annually.
china
According to census.gov, Milwaukee County, Wisconsin, has the most population at 951,252 people in 2007.