Shelby County, home to Memphis and Tennessee’s largest county, experienced the largest population decline among U.S. counties ...

Miami-Dade County would have lost population without the immigrants ... The New York metro area — the largest in the U.S. with 19.9 million people — added more people than any other metropolitan area ...

Several counties in the Houston area are seeing some of the fastest population growth in the country.

CLEVELAND, Ohio - While the four fastest growing counties in Ohio since the last census are in the Columbus and Cincinnati ...

Maricopa County remains the fourth most populous county in the nation taking into account the newest Census data. Here's how ...