Iowa New Hampshire Nevada The Republican party isn't holding a caucus for 2020. South Carolina The state's Republican party also voted to skip their primary, automatically giving Trump all of their delegates. Alabama American Samoa Arkansas California Colorado Massachusetts Minnesota Maine North Carolina Oklahoma Tennessee Texas Utah Vermont Virginia Democrats Abroad (which will continue until March 10) Idaho Michigan Mississippi Missouri North Dakota Washington Northern Marianas Arizona Florida Illinois Ohio Georgia Puerto Rico Alaska Hawaii Louisiana Wyoming Wisconsin Connecticut Delaware Maryland New York Pennsylvania Rhode Island Kansas Guam Indiana Nebraska West Virginia Kentucky Oregon District of Columbia Montana New Jersey New Mexico South Dakota Virgin Islands