<P> As of April 1 , 2010 , the date of the 2010 United States Census , the nine most populous U.S. states contain slightly more than half of the total population . The 25 least populous states contain less than one - sixth of the total population . California , the most populous state , contains more people than the 21 least populous states combined . </P>
<P> As of April 1 , 2010 , the date of the 2010 United States Census , the nine most populous U.S. states contain slightly more than half of the total population . The 25 least populous states contain less than one - sixth of the total population . California , the most populous state , contains more people than the 21 least populous states combined . </P>
which is the biggest state in usa by population
which is the biggest state in usa by population
California
California