Governor Elections 2010 | US Governor Elections | Maryland Races
2010 Maryland Gubernatorial Election Results
Martin O'Malley
Percent: 56.24%
Votes: 1,044,961
Bob Ehrlich
Percent: 41.79%
Votes: 776,319
Race Summary
The 2010 Maryland gubernatorial election was held on November 2, 2010. Incumbent Democratic Governor Martin O’Malley defeated Republican former Governor Bob Ehrlich, receiving 56.24% of the vote to Ehrlich’s 41.79%, while third-party candidates together drew a small share of the ballot.
Full Results
Martin O'Malley (DEM)
Percent: 56.24%
Votes: 1,044,961
Bob Ehrlich (REP)
Percent: 41.79%
Votes: 776,319
Susan Gaztanaga (LIB)
Percent: 0.76%
Votes: 14,137
Maria Allwine (GRN)
Percent: 0.64%
Votes: 11,825
Eric Knowles (CON)
Percent: 0.46%
Votes: 8,612
Write-Ins
Percent: 0.11%
Votes: 2,026
Total votes: 1,857,880
State Map
Results by County
Allegany County
Martin O'Malley (DEM)
Percent: 35.86%
Votes: 7,933
Bob Ehrlich (REP)
Percent: 60.54%
Votes: 13,394
Susan Gaztanaga (LIB)
Percent: 1.46%
Votes: 323
Maria Allwine (GRN)
Percent: 0.89%
Votes: 198
Eric Knowles (CON)
Percent: 1.15%
Votes: 255
Write-Ins
Percent: 0.09%
Votes: 21
Total votes: 22,124
Calvert County
Martin O'Malley (DEM)
Percent: 43.34%
Votes: 13,864
Bob Ehrlich (REP)
Percent: 54.53%
Votes: 17,444
Susan Gaztanaga (LIB)
Percent: 0.92%
Votes: 295
Maria Allwine (GRN)
Percent: 0.61%
Votes: 195
Eric Knowles (CON)
Percent: 0.55%
Votes: 175
Write-Ins
Percent: 0.05%
Votes: 17
Total votes: 31,990
Charles County
Martin O'Malley (DEM)
Percent: 61.30%
Votes: 28,818
Bob Ehrlich (REP)
Percent: 37.29%
Votes: 17,531
Susan Gaztanaga (LIB)
Percent: 0.54%
Votes: 252
Maria Allwine (GRN)
Percent: 0.34%
Votes: 160
Eric Knowles (CON)
Percent: 0.44%
Votes: 205
Write-Ins
Percent: 0.09%
Votes: 43
Total votes: 47,009
Harford County
Martin O'Malley (DEM)
Percent: 32.99%
Votes: 31,220
Bob Ehrlich (REP)
Percent: 64.53%
Votes: 61,068
Susan Gaztanaga (LIB)
Percent: 1.07%
Votes: 1,016
Maria Allwine (GRN)
Percent: 0.65%
Votes: 619
Eric Knowles (CON)
Percent: 0.64%
Votes: 608
Write-Ins
Percent: 0.11%
Votes: 103
Total votes: 94,634
Prince George's County
Martin O'Malley (DEM)
Percent: 87.93%
Votes: 203,957
Bob Ehrlich (REP)
Percent: 11.28%
Votes: 26,156
Susan Gaztanaga (LIB)
Percent: 0.27%
Votes: 630
Maria Allwine (GRN)
Percent: 0.28%
Votes: 658
Eric Knowles (CON)
Percent: 0.18%
Votes: 423
Write-Ins
Percent: 0.06%
Votes: 130
Total votes: 231,954
Talbot County
Martin O'Malley (DEM)
Percent: 38.71%
Votes: 6,331
Bob Ehrlich (REP)
Percent: 59.34%
Votes: 9,707
Susan Gaztanaga (LIB)
Percent: 0.97%
Votes: 158
Maria Allwine (GRN)
Percent: 0.57%
Votes: 93
Eric Knowles (CON)
Percent: 0.34%
Votes: 56
Write-Ins
Percent: 0.07%
Votes: 12
Total votes: 16,357
Anne Arundel County
Martin O'Malley (DEM)
Percent: 43.44%
Votes: 88,161
Bob Ehrlich (REP)
Percent: 54.20%
Votes: 110,002
Susan Gaztanaga (LIB)
Percent: 0.89%
Votes: 1,812
Maria Allwine (GRN)
Percent: 0.77%
Votes: 1,568
Eric Knowles (CON)
Percent: 0.58%
Votes: 1,176
Write-Ins
Percent: 0.12%
Votes: 241
Total votes: 202,960
Caroline County
Martin O'Malley (DEM)
Percent: 31.70%
Votes: 3,185
Bob Ehrlich (REP)
Percent: 65.41%
Votes: 6,571
Susan Gaztanaga (LIB)
Percent: 1.29%
Votes: 130
Maria Allwine (GRN)
Percent: 0.71%
Votes: 71
Eric Knowles (CON)
Percent: 0.73%
Votes: 73
Write-Ins
Percent: 0.16%
Votes: 16
Total votes: 10,046
Dorchester County
Martin O'Malley (DEM)
Percent: 40.33%
Votes: 4,756
Bob Ehrlich (REP)
Percent: 57.49%
Votes: 6,780
Susan Gaztanaga (LIB)
Percent: 0.98%
Votes: 115
Maria Allwine (GRN)
Percent: 0.59%
Votes: 69
Eric Knowles (CON)
Percent: 0.56%
Votes: 66
Write-Ins
Percent: 0.06%
Votes: 7
Total votes: 11,793
Howard County
Martin O'Malley (DEM)
Percent: 54.00%
Votes: 58,215
Bob Ehrlich (REP)
Percent: 44.19%
Votes: 47,642
Susan Gaztanaga (LIB)
Percent: 0.72%
Votes: 775
Maria Allwine (GRN)
Percent: 0.62%
Votes: 671
Eric Knowles (CON)
Percent: 0.37%
Votes: 401
Write-Ins
Percent: 0.09%
Votes: 100
Total votes: 107,804
Queen Anne's County
Martin O'Malley (DEM)
Percent: 31.57%
Votes: 6,278
Bob Ehrlich (REP)
Percent: 66.56%
Votes: 13,238
Susan Gaztanaga (LIB)
Percent: 0.67%
Votes: 133
Maria Allwine (GRN)
Percent: 0.60%
Votes: 119
Eric Knowles (CON)
Percent: 0.49%
Votes: 97
Write-Ins
Percent: 0.12%
Votes: 23
Total votes: 19,888
Washington County
Martin O'Malley (DEM)
Percent: 37.53%
Votes: 15,155
Bob Ehrlich (REP)
Percent: 58.57%
Votes: 23,651
Susan Gaztanaga (LIB)
Percent: 1.48%
Votes: 599
Maria Allwine (GRN)
Percent: 1.01%
Votes: 407
Eric Knowles (CON)
Percent: 1.22%
Votes: 494
Write-Ins
Percent: 0.19%
Votes: 78
Total votes: 40,384
Baltimore City
Martin O'Malley (DEM)
Percent: 81.93%
Votes: 133,068
Bob Ehrlich (REP)
Percent: 16.05%
Votes: 26,073
Susan Gaztanaga (LIB)
Percent: 0.60%
Votes: 981
Maria Allwine (GRN)
Percent: 0.93%
Votes: 1,505
Eric Knowles (CON)
Percent: 0.29%
Votes: 479
Write-Ins
Percent: 0.19%
Votes: 314
Total votes: 162,420
Carroll County
Martin O'Malley (DEM)
Percent: 26.21%
Votes: 16,733
Bob Ehrlich (REP)
Percent: 71.06%
Votes: 45,357
Susan Gaztanaga (LIB)
Percent: 1.02%
Votes: 650
Maria Allwine (GRN)
Percent: 0.73%
Votes: 467
Eric Knowles (CON)
Percent: 0.82%
Votes: 523
Write-Ins
Percent: 0.16%
Votes: 103
Total votes: 63,833
Frederick County
Martin O'Malley (DEM)
Percent: 42.59%
Votes: 32,222
Bob Ehrlich (REP)
Percent: 54.74%
Votes: 41,410
Susan Gaztanaga (LIB)
Percent: 1.05%
Votes: 794
Maria Allwine (GRN)
Percent: 0.68%
Votes: 512
Eric Knowles (CON)
Percent: 0.84%
Votes: 634
Write-Ins
Percent: 0.11%
Votes: 81
Total votes: 75,653
Kent County
Martin O'Malley (DEM)
Percent: 43.35%
Votes: 3,574
Bob Ehrlich (REP)
Percent: 54.40%
Votes: 4,485
Susan Gaztanaga (LIB)
Percent: 0.92%
Votes: 76
Maria Allwine (GRN)
Percent: 0.90%
Votes: 74
Eric Knowles (CON)
Percent: 0.35%
Votes: 29
Write-Ins
Percent: 0.07%
Votes: 6
Total votes: 8,244
St. Mary's County
Martin O'Malley (DEM)
Percent: 41.02%
Votes: 12,990
Bob Ehrlich (REP)
Percent: 56.22%
Votes: 17,804
Susan Gaztanaga (LIB)
Percent: 1.21%
Votes: 384
Maria Allwine (GRN)
Percent: 0.66%
Votes: 208
Eric Knowles (CON)
Percent: 0.81%
Votes: 256
Write-Ins
Percent: 0.08%
Votes: 26
Total votes: 31,668
Wicomico County
Martin O'Malley (DEM)
Percent: 42.60%
Votes: 12,661
Bob Ehrlich (REP)
Percent: 54.93%
Votes: 16,325
Susan Gaztanaga (LIB)
Percent: 1.19%
Votes: 353
Maria Allwine (GRN)
Percent: 0.50%
Votes: 150
Eric Knowles (CON)
Percent: 0.67%
Votes: 200
Write-Ins
Percent: 0.10%
Votes: 31
Total votes: 29,720
Baltimore County
Martin O'Malley (DEM)
Percent: 49.19%
Votes: 141,802
Bob Ehrlich (REP)
Percent: 48.73%
Votes: 140,476
Susan Gaztanaga (LIB)
Percent: 0.82%
Votes: 2,367
Maria Allwine (GRN)
Percent: 0.71%
Votes: 2,054
Eric Knowles (CON)
Percent: 0.39%
Votes: 1,130
Write-Ins
Percent: 0.15%
Votes: 425
Total votes: 288,254
Cecil County
Martin O'Malley (DEM)
Percent: 35.92%
Votes: 10,833
Bob Ehrlich (REP)
Percent: 60.59%
Votes: 18,273
Susan Gaztanaga (LIB)
Percent: 1.51%
Votes: 456
Maria Allwine (GRN)
Percent: 0.94%
Votes: 283
Eric Knowles (CON)
Percent: 0.97%
Votes: 292
Write-Ins
Percent: 0.08%
Votes: 23
Total votes: 30,160
Garrett County
Martin O'Malley (DEM)
Percent: 25.99%
Votes: 2,530
Bob Ehrlich (REP)
Percent: 71.63%
Votes: 6,972
Susan Gaztanaga (LIB)
Percent: 0.87%
Votes: 85
Maria Allwine (GRN)
Percent: 0.61%
Votes: 59
Eric Knowles (CON)
Percent: 0.81%
Votes: 79
Write-Ins
Percent: 0.09%
Votes: 9
Total votes: 9,734
Montgomery County
Martin O'Malley (DEM)
Percent: 68.12%
Votes: 198,950
Bob Ehrlich (REP)
Percent: 30.51%
Votes: 89,108
Susan Gaztanaga (LIB)
Percent: 0.51%
Votes: 1,480
Maria Allwine (GRN)
Percent: 0.53%
Votes: 1,536
Eric Knowles (CON)
Percent: 0.27%
Votes: 786
Write-Ins
Percent: 0.07%
Votes: 198
Total votes: 292,058
Somerset County
Martin O'Malley (DEM)
Percent: 41.51%
Votes: 3,198
Bob Ehrlich (REP)
Percent: 56.04%
Votes: 4,318
Susan Gaztanaga (LIB)
Percent: 0.95%
Votes: 73
Maria Allwine (GRN)
Percent: 0.51%
Votes: 39
Eric Knowles (CON)
Percent: 0.87%
Votes: 67
Write-Ins
Percent: 0.13%
Votes: 10
Total votes: 7,705
Worcester County
Martin O'Malley (DEM)
Percent: 39.68%
Votes: 8,527
Bob Ehrlich (REP)
Percent: 58.33%
Votes: 12,534
Susan Gaztanaga (LIB)
Percent: 0.93%
Votes: 200
Maria Allwine (GRN)
Percent: 0.51%
Votes: 110
Eric Knowles (CON)
Percent: 0.50%
Votes: 108
Write-Ins
Percent: 0.04%
Votes: 9
Total votes: 21,488