As of Today ---
States where primary voters exceeded 500,000 - Obama won "8" - Clinton won "7";
States where primary voters exceeded 500,000 - Obama has 10.9 million votes- Clinton has 10.4 million votes;
States where primary voters was less than 500,000 - Obama won "6" - Clinton won "6";
States where primary voters was less than 500,000 - Obama has 1.3 million votes - Clinton has 1.4 million votes;
States where caucuses were held less than 500,000 - Obama won "13" - Clinton won "1";
States where caucuses were held less than 500,000 - Obama has 390,000 votes - Clinton has 188,000 votes;
Obama also has won Democratics Abroad and I believe the U.S. Virgin Islands.
All numbers above are approximations. Keep in mind all states have not certified there primary and caucus results as of yet.
Now who can actually win big states, little states, blue states, red states and purple states.
You can view the pledged delegates won on the home page.
OBAMA 08 - Yes We Can