This is the primary schedule from 2000. For the latest, check http://www.fairvote.org/presidential/

Republican Party
Primary Schedule

This chart provides key details about the presidential primaries being conducted by the Republican party this year. Note that Republicans in several states allocate their delegates in proportion to candidates' share of the vote, but most use a winner-take-all method (sometimes statewide, sometimes by congressional district) that gives a tremendous bonus to whichever candidate finishes first. Adoption of winner-take-all tends to draw candidates to a state, but also means the state may not send delegates to the national convention that represent important elements of the party in that state. Also provided is information on which primaries are closed to non-Republicans and which allow independents and sometimes even those registered with other parties to vote in the primary.

Legend below table.
 
 Date  Place

 Open- 
ness

House-
District

District
Delegates

At-Large
Rule

At-Large
Delegates

Wins
Jan. 24 Iowa caucus

S

Ind.

15

Ind.

10

 B 10, K 4, M 1

Alaska straw poll

Ind.

3

Ind.

20
Feb. 1 New Hampshire primary

S

PR

6

PR

11

 B 5, M 10
Feb. 7 Hawaii caucus  

Ind.

6

Ind.

8
Feb.8 Delaware primary

C

WTA

3

WTA

9

 B 12
Feb. 19 South Carolina primary

O

WTA: CD

18

WTA

19

 B 34, M 3
Feb. 22 Arizona primary:

C

WTA

18

WTA

12

 M 30
  Michigan primary:

O

WTA: CD

48

WTA

10

 B 6, M 52
Feb. 26 American Samoa caucus  

N/A

n/a

Ind.

4

 B 4
  Guam caucus  

N/A

n/a

Ind.

4

 B 4
  Virgin Islands caucus  

N/A

n/a

N/A

4

 B 4
Feb. 27 Puerto Rico primary  

N/A

n/a

WTA

14

 B 14
Feb. 29 North Dakota caucus

O

PR

3

PR

16

 B

Virginia primary

O

WTA

33

WTA

23

 B
 Date  Place

 Open- 
ness

House-
District

District
Delegates

At-Large
Rule

At-Large
Delegates

Wins
March 7 California primary

C

WTA

156

WTA

6

 B 162
  Connecticut primary

C

  

18

  

7

 M 25
  Georgia primary

O

WTA: CD

33

WTA

21

 B 54
  Maine primary

S

CD: PR,
if majority then WTA

6

PR, if majority then WTA

8

 B 14
  Maryland primary

S

WTA: CD

24

WTA

7

 B 31
  Massachusetts primary

S

WTA

30

WTA

7

 M 37
  Minnesota caucus

O

  

??

  

??

 B 21, M 6, K 7
  Missouri primary

O

WTA

27

WTA

8

 B 35
  New York primary

C

Ind.

93

Ind.

8

 B 67, M 26
  Ohio primary

O

WTA: CD

57

WTA

12

 B 63, M 6
  Rhode Island primary

S

WTA

6

WTA

8

 M 14
  Vermont primary

O

WTA

3

WTA

9

 M 12
  Washington primary

O

1/3 PR, 2/3 state party rules

27

~ 1/3 PR, 2/3 state party rules

10

 na
 Date  Place

 Open- 
ness

House-
District

District
Delegates

At-Large
Rule

At-Large
Delegates

Wins
March 10 Colorado primary

S

PR

18

PR

22
  Utah primary

S

WTA

9

WTA

20
  Wyoming caucus

C

Ind.

3

Ind.

19
March 14 Florida primary

C

WTA:CD

69

WTA

11

 B 80
  Louisiana primary

C

PR

21

PR

8

 B 29
  Mississippi primary

O

WTA:CD

15

WTA

18

 B 33
  Oklahoma primary

C

WTA:CD

18

WTA

20

 B 38
  Tennessee primary

O

CD:PR
if majority then WTA

27

PR, if majority
then WTA

10

 B 37
  Texas primary

O

CD:PR,
if majority, then WTA

90

PR, if majority then WTA

34

 B 124
March 21  Illinois primary

O

Ind.

60

Ind.

14
April 4 Kansas primary

S

WTA

12

WTA

23
  Pennsylvania primary

C

  

63

  

15
  Wisconsin primary

O

  

27

WTA

10
 Date  Place

 Open- 
ness

House-
District

District
Delegates

At-Large
Rule

 At-Large
Delegates

Wins
May 2 D.C. primary

C

N/A

n/a

WTA

15
  Indiana primary

O

WTA:CD

30

Ind

25
  North Carolina primary

S

PR

36

PR

26
May 9 Nebraska primary

C

Ind.

9

Ind.

21
  West Virginia primary

S

Ind.

9

Ind.

9
May 16 Oregon primary

C

PR

15

PR

9
May 19 Alaska caucus

S

PR

_

PR

_
  Hawaii caucus

C

Ind.

6

Ind.

8
May 23 Arkansas primary

O

PR

12

PR

12
  Idaho primary

O

80% PR, 20% state party rules

6

80% PR , 20% state party rules

22
  Kentucky primary

C

PR

_

PR

_
May 25 Nevada caucus

C

Ind.

6

Ind.

11
June 6 Alabama primary

O

CD:PR,
if majority then WTA

21

PR

23
  Montana primary

O

Ind.

3

Ind.

20
  New Jersey primary

S

Ind.

39

Ind.

15
  New Mexico primary

C

PR

9

PR

12
  South Dakota primary

C

N/A

3

PR

19
               

LEGEND:

WTA � The candidate receiving the most votes statewide is awarded all delegates in that category.
 
WTA: CD � All congressional district delegates for a particular congressional district are awarded to the candidate receiving the most votes in that congressional district.
 
Ind.� Delegates run on an individual platform (which may not include support for any presidential candidate), and are not officially allocated to any presidential candidate.
 
PR � Delegates are awarded to candidates according to the proportion of the /caucus vote the candidate received.