Clinton said she was "thrilled" by her victory. Rival Sen. Barack Obama congratulated Clinton for her win. "She is going to be a great asset when we go into November to make sure that we defeat the Republicans," he said.
Obama still leads Clinton in overall delegates for the Democratic presidential nomination, according to CNN calculations. Clinton says she will take the race "a day at a time" and is reviewing all options.
Clinton swept Obama in major demographic groups, including Obama’s traditional strong suits, such as younger voters and higher-income voters, according to CNN's exit polls. Despite Puerto Rico’s traditional high voter turnout, CNN estimated the voters at between 325,000 and 425,000.
Counting results of all primaries, not caucuses, including disputed contests in Florida and Michigan, Clinton leads the popular vote 17,461,845 to Obama's 17,244,762, according to CNN estimates. That number includes giving Obama all the "uncommitted" votes from Michigan.
Likely Democratic primary voters' choice for nominee in 2008:
NO REPUBLICAN POLL AVAILABLE
Likely Republican primary voters' choice for nominee in 2008:
The Pennsylvania Democratic “poll of polls” consists of three surveys: Time (April 2-6), American Research Group (April 5-6), and Quinnipiac (April 3-6). A sampling error for the average of the polls cannot be calculated.