Five states and one territory have yet to hold Democratic presidential contests. Here are the details for these races:

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Next stop: West Virginia primary on May 13

At stake: 28 Democratic delegates

2004: George W. Bush won the state with 56 percent in the presidential election.

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Next stop: Kentucky primary on May 20

At stake: 51 Democratic delegates

2004: George W. Bush won the state with 60 percent in the presidential election.

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Next stop: Oregon primary on May 20

At stake: 52 Democratic delegates

2004: John Kerry won the state with 52 percent in the presidential election.

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Next stop: Puerto Rico primary on June 1

At stake: 55 Democratic delegates

2004: The territory does not cast electoral votes for president.

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Next stop: Montana primary on June 3

At stake: 16 Democratic delegates

2004: George W. Bush won the state with 59 percent in the presidential election.

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Next stop: South Dakota primary on June 3

At stake: 15 Democratic delegates

2004: George W. Bush won the state with 60 percent in the presidential election.