Allegany
Candidate Votes % of votes Robert Ehrlich (REP)* 11,251 57% Martin O'Malley (DEM) 8,334 42% 100% of precincts reporting
Anne Arundel
Candidate Votes % of votes Robert Ehrlich (REP)* 94,657 56% Martin O'Malley (DEM) 72,290 43% 100% of precincts reporting
Baltimore
Candidate Votes % of votes Martin O'Malley (DEM) 122,987 50% Robert Ehrlich (REP)* 122,643 49% 100% of precincts reporting
Baltimore City
Candidate Votes % of votes Martin O'Malley (DEM) 111,749 75% Robert Ehrlich (REP)* 33,613 23% 100% of precincts reporting
Calvert
Candidate Votes % of votes Robert Ehrlich (REP)* 16,893 57% Martin O'Malley (DEM) 12,270 42% 100% of precincts reporting
Caroline
Candidate Votes % of votes Robert Ehrlich (REP)* 5,824 66% Martin O'Malley (DEM) 2,852 32% 100% of precincts reporting
Carroll
Candidate Votes % of votes Robert Ehrlich (REP)* 43,541 70% Martin O'Malley (DEM) 18,070 29% 100% of precincts reporting
Cecil
Candidate Votes % of votes Robert Ehrlich (REP)* 16,357 58% Martin O'Malley (DEM) 11,585 41% 100% of precincts reporting
Charles
Candidate Votes % of votes Martin O'Malley (DEM) 20,575 51% Robert Ehrlich (REP)* 19,347 48% 100% of precincts reporting
Dorchester
Candidate Votes % of votes Robert Ehrlich (REP)* 6,462 61% Martin O'Malley (DEM) 4,059 38% 100% of precincts reporting
Frederick
Candidate Votes % of votes Robert Ehrlich (REP)* 42,648 60% Martin O'Malley (DEM) 27,971 39% 100% of precincts reporting
Garrett
Candidate Votes % of votes Robert Ehrlich (REP)* 6,582 67% Martin O'Malley (DEM) 3,080 31% 100% of precincts reporting
Harford
Candidate Votes % of votes Robert Ehrlich (REP)* 56,820 63% Martin O'Malley (DEM) 31,826 36% 100% of precincts reporting
Howard
Candidate Votes % of votes Martin O'Malley (DEM) 47,271 51% Robert Ehrlich (REP)* 45,050 48% 100% of precincts reporting
Kent
Candidate Votes % of votes Robert Ehrlich (REP)* 4,306 55% Martin O'Malley (DEM) 3,429 44% 100% of precincts reporting
Montgomery
Candidate Votes % of votes Martin O'Malley (DEM) 168,493 63% Robert Ehrlich (REP)* 96,476 36% 100% of precincts reporting
Prince George's
Candidate Votes % of votes Martin O'Malley (DEM) 150,820 80% Robert Ehrlich (REP)* 37,381 20% 100% of precincts reporting
Queen Anne's
Candidate Votes % of votes Robert Ehrlich (REP)* 11,829 67% Martin O'Malley (DEM) 5,748 32% 100% of precincts reporting
Somerset
Candidate Votes % of votes Robert Ehrlich (REP)* 3,933 59% Martin O'Malley (DEM) 2,622 40% 100% of precincts reporting
St. Mary's
Candidate Votes % of votes Robert Ehrlich (REP)* 16,310 58% Martin O'Malley (DEM) 11,259 40% 100% of precincts reporting
Talbot
Candidate Votes % of votes Robert Ehrlich (REP)* 9,917 64% Martin O'Malley (DEM) 5,574 36% 100% of precincts reporting
Washington
Candidate Votes % of votes Robert Ehrlich (REP)* 24,801 61% Martin O'Malley (DEM) 15,494 38% 100% of precincts reporting
Wicomico
Candidate Votes % of votes Robert Ehrlich (REP)* 17,515 63% Martin O'Malley (DEM) 10,079 36% 100% of precincts reporting
Worcester
Candidate Votes % of votes Robert Ehrlich (REP)* 12,943 65% Martin O'Malley (DEM) 6,915 35% 100% of precincts reporting