* January 28, 2008 - [[New Hampshire]] (independents allowed to vote)
* February 2, 2008 - [[South Carolina]] (independents not allowed to vote)
* February 5, 2008 - [[Alabama]], [[Arizona]], [[Arkansas]], [[Missouri]], [[New Mexico]], [[North Carolina]], [[North Dakota]], [[Oklahoma]], [[Utah]], [[Delaware]] and [[West Virginia]] (which will nominate a candidate at a state nominating convention)
* February 5, 2008 (unofficial date) - [[Florida]], [[Michigan]]
* February 12, 2008 - [[Tennessee]]
* April 15, 2008 - [[Colorado]]
* April 26, 2008 - [[Kansas]], [[Nevada]]
* May 2008 (date to be determined) - [[Alaska]](date to be determined)* May 6, 2008 - [[Indiana]]
* May 10, 2008 - [[Wyoming]]
* May 13, 2008 - [[Nebraska]]
* May 17 2008 - [[Maine]] (tentative date)
* May 20, 2008 - [[Kentucky]], [[Oregon]]
* May 27, 2008 - [[Idaho]]