Primary Date and Location
Republican Candidate
Number of Votes for Candidate and Percentage of All Votes
Democractic Candidate
Number of Votes for Candidate and Percentage of All Votes
March 8 - New Hampshire Richard M. Nixon (N.Y.)  65204 (89.3%) John F. Kennedy (Mass.) 43372 (85.3%)
Nelson A. Rockefeller (N.Y.)* 2745 (3.8%) Others 7527 (14.8%)
John F. Kennedy (Mass.)* 2196 (3.0%)
Others* 2886 (4.0%)
April 5 - Wisconsin Nixon 339383 (100.0%) Kennedy 476024 (56.5%)
Hubert H. Humphrey (Minn.) 366753 (43.5%)
April 12 - Illinois Nixon 782849 (99.9%) Kennedy* 34332 (64.6%)
Others* 442 (.1%) Adlai E. Stevenson (Ill.)* 8029 (15.1%)
Stuart Symington (Mo.)* 5744 (10.8%)
Humphrey* 4283 (8.1%)
Lyndon B. Johnson (Texas)* 442 (.8%)
Others* 337 (.6%)
April 19 - New Jersey Unpledged delegates at large 304766 (100.0%) Unpledged delegates at large 217608 (100.0%)
April 26 - Massachusetts Nixon* 53164 (86.0%) Kennedy* 91607 (92.4%)
Rockefeller* 4068 (6.6%) Stevenson* 4684 (4.7%)
Kennedy* 2989 (4.8%) Humphrey* 794 (.8%)
Henry Cabot Lodge (Mass.)* 373 (.6%) Richard M. Nixon (Calif.)* 646 (.7%)
Adlai E. Stevenson (Ill.)* 266 (.4%) Symington* 443 (.4%)
Barry Goldwater (Ariz.)* 221 (.4%) Johnson* 268 (.3%)
Dwight D. Eisenhower (Pa.)* 172 (.3%) Others* 721 (.7%)
Others* 592 (1.0%)
April 26 - Pennsylvania Nixon 968538 (98.1%) Kennedy* 183073 (71.3%)
Rockefeller* 12491 (1.3%) Stevenson* 29660 (11.5%)
Kennedy* 3886 (.4%) Nixon* 15136 (5.9%)
Stevenson* 428  Humphrey* 13860 (5.4%)
Goldwater* 286 Symington* 6791 (2.6%)
Others* 1202 (.1%) Johnson* 2918 (1.1%)
Rockefeller* 1078 (.4%)
Others* 4297 (1.7%)
May 3 - District of Columbia Unpledged Delegates 9468 (100.0%) Humphrey 8239 (57.4%)
Wayne L. Morse (Ore.) 6127 (42.6%)
May 3 - Indiana Nixon 408408 (95.4%) Kennedy 353832 (81.0%)
Others 19677 (4.6%) Others 82937 (19.0%)
May 3 - Ohio Nixon 504072 (100.0%) Michael V. DiSalle (Ohio) 315312 (100.0%)
May 10 - Nebraska Nixon* 74356 (93.8%) Kennedy 80408 (88.7%)
Rockefeller* 2028 (2.6%) Symington* 4083 (4.5%)
Goldwater* 1068 (1.3%) Humphrey* 3202 (3.5%)
Others* 1805 (2.3%) Stevenson* 1368 (1.5%)
Johnson* 962 (1.1%)
Others* 669 (.7%)
May 10 - West Virginia Unpledged delegates at large 123756 (100.0%) Kennedy 236510 (60.8%)
Humphrey 152187 (39.2%)
May 17- Maryland Kennedy 201769 (70.3%)
Morse 49420 (17.2%)
Unpledged delegates 24350 (8.5%)
Others 11417 (4.0%)
May 20 - Oregon Nixon 211276 (93.1%) Kennedy 146332 (51.0%)
Rockefeller* 9307 (4.1%) Morse 91715 (31.9%)
Kennedy* 2864 (1.3%) Humphrey 16319 (5.7%)
Goldwater* 1571 (.7%) Symington 12496 (4.4%)
Others* 2015 (.9%) Johnson 11101 (3.9%)
Stevenson* 7924 (2.8%)
Others* 1210 (.4%)
May 24 - Florida Nixon 51036 (100.0%) George A. Smathers (Fla.) 322235 (100.0%)
June 7 - California Nixon 1517652 (100.0%) Edmund G. Brown (Calif.) 1354031 (67.7%)
George H. McLain (Calif.) 646387 (32.3%)
June 7 - South Dakota Unpledged delegates 48461 (100.0%) Humphrey 24773 (100.0%)

*Write-In

TOTALS - Republican Primary

Nixon 4975938 (89.9%)
Unpledged Delegates 486451 (8.8%)
Rockefeller 30639 (.6%)
Kennedy 11935 (.2%)
Goldwater 3146 (.1%)
Stevenson 694 
Lodge 373
Eisenhower 172
Others 28619 (.5%)
Total 5537967

TOTALS - Democratic Primary

Kennedy 1847259 (32.5%)
Brown 1354031 (23.8%)
McLain 646387 (11.4%)
Humphrey 590410 (10.4%)
Smathers 322235 (5.7%)
DiSalle 315312 (5.5%)
Unpledged Delegates 241958 (4.3%)
Morse 147262 (2.6%)
Stevenson 51665 (.9%)
Symington 29557 (.5%)
Nixon 15782 (.3%)
Johnson 15691 (.3%)
Others 109115 (1.9%)
Total 5686664