Great website below tracks the delegates for the Republican nomination:
The delegate race
There are 2,286 delegates up for grabs. A candidate needs 1,144 to win the GOP presidential nomination.
Total delegates won, by candidate
Delegates needed: 1,144

Romney
20

Santorum
12

Paul
3

Huntsman
2

Perry
0

Gingrich
0
Delegates by state
Date
State /
Territory
Territory

Gingrich

Huntsman

Paul

Perry

Romney

Santorum
Delegate Allocation
March 6
Ohio
66 delegates at stake
Hybrid proportional
March 10
Kan.
40 delegates at stake
Hybrid proportional
March 10
Virgin I.
9 delegates at stake
Direct election
March 13
Ala.
50 delegates at stake
Proportional
March 13
Am. Sam.
9 delegates at stake
Direct election
March 13
Hawaii
20 delegates at stake
Proportional
March 13
Miss.
40 delegates at stake
Proportional
March 18
P.R.
23 delegates at stake
Winner take all
March 20
Ill.
69 delegates at stake
Direct election
March 24
La.
46 delegates at stake
Proportional
April 3
D.C.
19 delegates at stake
Winner take all
April 3
Md.
37 delegates at stake
Winner take all
April 3
Wis.
42 delegates at stake
Winner take all
April 24
Conn.
28 delegates at stake
Proportional
April 24
Del,
17 delegates at stake
Winner take all
April 24
N.Y.
95 delegates at stake
Proportional
April 24
Penn.
72 delegates at stake
Direct election
April 24
R.I.
19 delegates at stake
Proportional
May 8
Ind.
46 delegates at stake
Hybrid winner take all
May 8
N.C.
55 delegates at stake
Proportional
May 8
W. Va.
31 delegates at stake
Direct election
May 15
Neb.
35 delegates at stake
Advisory
May 15
Ore.
28 delegates at stake
Proportional
May 22
Ark.
36 delegates at stake
Proportional
May 22
Ky.
45 delegates at stake
Proportional
June 5
Calif.
172 delegates at stake
Winner take all
June 5
Mont.
26 delegates at stake
Non-binding
June 5
N.J.
50 delegates at stake
Winner take all
June 5
N.M.
23 delegates at stake
Proportional
June 5
S.D.
28 delegates at stake
Proportional
June 26
Utah
40 delegates at stake
Winner take all
June 30
Guam
9 delegates at stake
Direct election
July 31
N. Mar.
9 delegates at stake
Direct election
SOURCE: AP; Staff reports; GRAPHIC: Sisi Wei, Dan Keating, Karen Yourish and Aaron Blake, The Washington Post. Published Jan. 11, 2012.