Keywords: 2008 Presidential Parties, Democratic Voter Turnout.png United States Presidential Primaries 2008 Democratic turnout as a percentage of total turnout Data from http //elections gmu edu/Voter_Turnout_2008_Primaries htm The map includes all states where both parties had voted by March 4 the date John McCain clinched the Republican nomination Northwest-historian public domain 2008 U S presidential election maps Democratic primary state subdivisions 2008 U S presidential election maps incomplete |