California
the state with the largest population — 39.5M residents, as of July 2019

Source: U.S. Census Bureau
Additional Information: In contrast, Wyoming is the least populous state, with 578,759 residents as of July 2019.
Reference: For more information, read the U.S. Census Bureau analysis, "2019 National and State Population Estimates." "2019 National and State Population Estimates."

Continue Exploring

Learn more about Americans today: States, Population

Around the Site

  • The nation’s youngest generation is emerging as a distinct group 

    Meet Gen Z

    The nation’s youngest generation is emerging as a distinct group 

  • Test your knowledge on the stars and stripes and everything in between

    How Much Do You Know About the American Flag?

    Test your knowledge on the stars and stripes and everything in between

  • As observance wanes among young people, some try new approaches to keeping the faith

    Young Adults Reimagining Religion

    As observance wanes among young people, some try new approaches to keeping the faith