Statewide opinion polling for the 2008 Democratic Party presidential primaries

Statewide public opinion polls conducted relating to the 2008 Democratic Party presidential primaries include the following. A graphic summary of the data in map form follows. For state and territory names abbreviated in the maps in this article, see: List of US postal abbreviations.

Delegate table and polling data
The following table shows a summary of the most recent polling data for each state, as well as completed primary and caucus results. Totals for withdrawn candidates have been placed in the "Uncommitted/Other" and "Other" columns. The pledged delegate vote estimates come from each state's primary or caucus article. Click on the specific election (link) column to see the sources used in those articles.

† Barack Obama was not on the ballot in Michigan.
 * 1) On 24 August, the DNC gave Florida and Michigan full voting rights.