Iowa Caucus Turnout, 2000–2008
2000
60 760	87 666
2004
124 000	uncontested (George W. Bush)
2008
221 000	116 114

Iowa Caucus Vote Distribution, 2000–2008
2000
Bradl Gore	Bush Forbes Ke B
2004
Ge Dean Edwards Kerry	uncontested (George W. Bush)
2008
Clinton Edwards Obama	Huckabee Romney Tho Mc Pa