The 2008 West Virginia Democratic presidential primary took place on May 13, 2008 with polls closing at 7:30 p.m. EST.

The primary determined 28 delegates to the 2008 Democratic National Convention, who were awarded on a proportional basis.

Hillary Clinton won by a very wide margin, but her opponent Barack Obama maintained a substantial lead in the overall number of pledged delegate votes.

As of May 4, 2008, opinion polling showed Sen. Hillary Clinton holding a 56% to 27% lead over Sen. Barack Obama, with 17% undecided.

By February 20, more than a month before the election, three superdelegates had announced support for Sen. Hillary Clinton (DNC Members Marie Prezioso, Pat Maroney, and Belinda Biafore), while three had endorsed Sen. Barack Obama (Rep. Nick Rahall, Sen. Jay Rockefeller, and Sen. Robert C.