Check this story for results for Governor, US Congress, US Senate, State Comptroller and Attorney General primary election results.Only 90% of state precincts reported at this time:
Governor:
| Candidate/Running Mate | Party | Votes |
| Martin O’Malley/Anthony G. Brown | Democrat | 353984 |
| J.P. Cusik/Michael W. Lang, Jr. | Democrat | 40902 |
| Ralph Jaffee/Freda Jaffee | Democrat | 16796 |
| Robert L. Ehrlich, Jr./Mary Kane | Republican | 195176 |
| Brian Murphy/Mike Ryman | Republican | 63045 |
| Susan J. Gaztanga/Doug McNeil | Libertarian | |
| Maria Allwine/Ken Eldel | Green | |
U.S. Senate:
| Candidate | Party | Votes |
| Barbara A. Milkulski | Democrat | 339104 |
| Christopher J. Garner | Democrat | 31389 |
| A. Billy Bob Jaworski | Democrat | 13492 |
| James T. Lynch, Jr. | Democrat | |
| Theresa C. Scaldaferri | Democrat | 6933 |
| Blaine Taylor | Democrat | 9340 |
| Sanquetta Taylor | Democrat | 6237 |
| Lih Young | Democrat | 6022 |
| Joseph Alexander | Republican | 12970 |
| Barry Steve Asbury | Republican | 5497 |
| Neil Cohen | Republicam | 12728 |