The figures on this page were reported to the State Board of Elections by each of the 24 county Boards of Elections of the State of Maryland. County Boards of Elections communicate their results to the State Board once all of their precinct data has been collected. The State Board of Elections posts those results immediately upon receipt. Last updated at 12:17 PM on Tuesday, April 06, 2004 (US Eastern Time).
| George W. Bush (Won) | |
| Anne Arundel | 2,007 |
| Calvert | 1,741 |
| Charles | 2,967 |
| Prince George's | 3,696 |
| St. Mary's | 4,931 |
| Totals | (100.0%) 15,342 |
| Carol Moseley Braun | Wesley K. Clark | Howard Dean | John Edwards | |
| Anne Arundel | 10 | 27 | 100 | 1,347 |
| Calvert | 14 | 52 | 170 | 1,434 |
| Charles | 61 | 72 | 152 | 2,352 |
| Prince George's | 208 | 193 | 662 | 7,459 |
| St. Mary's | 32 | 109 | 214 | 2,360 |
| Totals | (0.6%) 325 | (0.8%) 453 | (2.3%) 1,298 | (26.7%) 14,952 |
| Dick Gephardt | Mildred Glover | John F. Kerry (Won) | Dennis J. Kucinich | |
| Anne Arundel | 19 | 31 | 2,058 | 70 |
| Calvert | 20 | 36 | 2,686 | 71 |
| Charles | 43 | 74 | 5,038 | 49 |
| Prince George's | 94 | 151 | 18,747 | 548 |
| St. Mary's | 65 | 100 | 4,203 | 89 |
| Totals | (0.4%) 241 | (0.7%) 392 | (58.4%) 32,732 | (1.5%) 827 |
| Lyndon H. LaRouche, Jr. | Joseph Lieberman | Alfred Sharpton, Jr. | Uncommitted To Any Presidential Candidate | |
| Anne Arundel | 18 | 47 | 77 | 66 |
| Calvert | 8 | 41 | 108 | 76 |
| Charles | 39 | 51 | 465 | 188 |
| Prince George's | 87 | 192 | 2,404 | 326 |
| St. Mary's | 40 | 98 | 178 | 324 |
| Totals | (0.3%) 192 | (0.8%) 429 | (5.8%) 3,232 | (1.7%) 980 |
| Joseph T. Crawford | Patrick Edward Flaherty | Brad Jewitt (Won) | |
| Anne Arundel | 627 | 634 | 682 |
| Calvert | 373 | 480 | 829 |
| Charles | 1,339 | 647 | 958 |
| Prince George's | 1,134 | 1,178 | 1,656 |
| St. Mary's | 1,519 | 1,312 | 1,420 |
| Totals | (33.8%) 4,992 | (28.7%) 4,251 | (37.5%) 5,545 |
| Steny H. Hoyer (Won) | |
| Anne Arundel | 3,343 |
| Calvert | 4,043 |
| Charles | 7,586 |
| Prince George's | 27,538 |
| St. Mary's | 6,708 |
| Totals | (100.0%) 49,218 |
| Sarah R. Abdulla Lyndon H. LaRouche Jr. | Andrea "Chris" Banks | Ann Brown Dick Gephardt | Brandi L. Calhoun John Edwards | |
| Anne Arundel | 116 | 621 | 470 | 1,590 |
| Calvert | 57 | 659 | 538 | 1,401 |
| Charles | 179 | 978 | 719 | 2,907 |
| Prince George's | 805 | 3,627 | 2,550 | 9,931 |
| St. Mary's | 151 | 1,144 | 659 | 2,256 |
| Totals | (1.0%) 1,308 | (5.3%) 7,029 | (3.8%) 4,936 | (13.8%) 18,085 |
| Olivia A. Campbell Howard Dean | Lucgratise Tina Copeland Dick Gephardt | Jill A. Dickey John F. Kerry (Won) | Tawanna P. Gaines Dick Gephardt | |
| Anne Arundel | 458 | 60 | 1,852 | 116 |
| Calvert | 435 | 169 | 2,288 | 202 |
| Charles | 641 | 307 | 4,787 | 574 |
| Prince George's | 2,937 | 1,186 | 18,479 | 2,679 |
| St. Mary's | 615 | 254 | 3,475 | 342 |
| Totals | (3.9%) 5,086 | (1.5%) 1,976 | (23.5%) 30,881 | (3.0%) 3,913 |
| Maria Garcia-Ali Lyndon H. LaRouche Jr. | Jennifer P. Gore Wesley K. Clark | Mary A. Green John Edwards (Won) | Michelle A. Manley John Edwards | |
| Anne Arundel | 38 | 222 | 1,323 | 1,239 |
| Calvert | 62 | 372 | 1,482 | 1,321 |
| Charles | 167 | 702 | 3,052 | 2,708 |
| Prince George's | 757 | 2,341 | 10,511 | 9,067 |
| St. Mary's | 156 | 621 | 2,465 | 2,053 |
| Totals | (0.9%) 1,180 | (3.2%) 4,258 | (14.3%) 18,833 | (12.5%) 16,388 |
| Jill McKean Dennis J. Kucinich | Sidney Moore Wesley K. Clark | Sandra A. Neal Dick Gephardt | Karen A. Riddick Wesley K. Clark | |
| Anne Arundel | 139 | 113 | 264 | 159 |
| Calvert | 180 | 262 | 180 | 181 |
| Charles | 204 | 442 | 393 | 324 |
| Prince George's | 1,353 | 1,610 | 1,254 | 1,344 |
| St. Mary's | 310 | 407 | 370 | 284 |
| Totals | (1.7%) 2,186 | (2.2%) 2,834 | (1.9%) 2,461 | (1.7%) 2,292 |
| Denise Riley Howard Dean | Marlene Sparks-Reid Lyndon H. LaRouche Jr. | Veronica Turner Howard Dean | |
| Anne Arundel | 243 | 47 | 281 |
| Calvert | 257 | 62 | 250 |
| Charles | 410 | 109 | 496 |
| Prince George's | 1,775 | 405 | 2,424 |
| St. Mary's | 511 | 95 | 376 |
| Totals | (2.4%) 3,196 | (0.5%) 718 | (2.9%) 3,827 |
| Shukoor Ahmed Joseph Lieberman | Xavier Aragona John Edwards | Alberto J. Baca, Jr. Joseph Lieberman | Robert Gali Bassette | |
| Anne Arundel | 87 | 1,027 | 110 | 319 |
| Calvert | 76 | 1,066 | 128 | 343 |
| Charles | 174 | 2,131 | 184 | 590 |
| Prince George's | 929 | 7,377 | 848 | 1,962 |
| St. Mary's | 158 | 1,692 | 204 | 629 |
| Totals | (0.8%) 1,424 | (7.5%) 13,293 | (0.8%) 1,474 | (2.2%) 3,843 |
| Ted Besesparis John F. Kerry (Won) | Delante L. Bess Lyndon H. LaRouche Jr. | Justin W. Chappell John Edwards (Won) | Timothy Daly Dick Gephardt | |
| Anne Arundel | 1,760 | 50 | 1,314 | 187 |
| Calvert | 2,048 | 59 | 1,310 | 247 |
| Charles | 4,044 | 104 | 2,551 | 428 |
| Prince George's | 15,501 | 500 | 8,328 | 1,343 |
| St. Mary's | 2,993 | 107 | 2,125 | 468 |
| Totals | (14.9%) 26,346 | (0.5%) 820 | (8.8%) 15,628 | (1.5%) 2,673 |
| Ono Ekeh John F. Kerry (Won) | John A. Giannetti, Jr. Howard Dean | Michael A. Gollin John F. Kerry (Won) | Eugene Green Howard Dean | |
| Anne Arundel | 1,563 | 262 | 1,748 | 259 |
| Calvert | 1,780 | 308 | 2,048 | 293 |
| Charles | 3,633 | 370 | 4,070 | 458 |
| Prince George's | 14,109 | 2,118 | 15,398 | 2,268 |
| St. Mary's | 2,619 | 390 | 2,987 | 461 |
| Totals | (13.4%) 23,704 | (1.9%) 3,448 | (14.8%) 26,251 | (2.1%) 3,739 |
| Thomas R. Hendershot Dick Gephardt | Michael A. Jackson John Edwards | Faith I. Jones Howard Dean | Keith Garrett Jordan Lyndon H. LaRouche Jr. | |
| Anne Arundel | 175 | 1,031 | 237 | 37 |
| Calvert | 234 | 1,020 | 300 | 50 |
| Charles | 334 | 2,040 | 428 | 105 |
| Prince George's | 2,360 | 7,900 | 1,869 | 418 |
| St. Mary's | 274 | 1,665 | 402 | 115 |
| Totals | (1.9%) 3,377 | (7.7%) 13,656 | (1.8%) 3,236 | (0.4%) 725 |
| Reginald Kearney Dick Gephardt | Darryl A. Kelley Dick Gephardt | Nam K. Kim Joseph Lieberman | Justin McKean Dennis J. Kucinich | |
| Anne Arundel | 86 | 98 | 87 | 136 |
| Calvert | 83 | 128 | 73 | 144 |
| Charles | 525 | 196 | 136 | 150 |
| Prince George's | 499 | 803 | 530 | 976 |
| St. Mary's | 173 | 239 | 157 | 221 |
| Totals | (0.8%) 1,366 | (0.8%) 1,464 | (0.6%) 983 | (0.9%) 1,627 |
| Charles Micallef Dick Gephardt | C. Anthony Muse John Edwards | Olakunle Ojofeitimi Lyndon H. LaRouche Jr. | Karl K. Pence, Jr. Howard Dean | |
| Anne Arundel | 84 | 1,180 | 41 | 205 |
| Calvert | 100 | 1,146 | 39 | 261 |
| Charles | 156 | 2,431 | 96 | 307 |
| Prince George's | 434 | 8,404 | 435 | 1,273 |
| St. Mary's | 267 | 1,750 | 70 | 682 |
| Totals | (0.6%) 1,041 | (8.4%) 14,911 | (0.4%) 681 | (1.5%) 2,728 |
| James Edward Proctor, III Wesley K. Clark | James C. Rosapepe Wesley K. Clark | Bruce M. Russell Wesley K. Clark | Todd M. Turner Carol Moseley Braun | |
| Anne Arundel | 160 | 79 | 138 | 116 |
| Calvert | 223 | 124 | 176 | 126 |
| Charles | 514 | 166 | 268 | 327 |
| Prince George's | 1,767 | 961 | 765 | 1,571 |
| St. Mary's | 296 | 176 | 349 | 191 |
| Totals | (1.7%) 2,960 | (0.9%) 1,506 | (1.0%) 1,696 | (1.3%) 2,331 |
| Tom Angelis | Joseph T. Crawford | M. Jacqueline Gordon George W. Bush (Won) | Thomas F. McKay George W. Bush (Won) | |
| Anne Arundel | 289 | 327 | 1,658 | 1,668 |
| Calvert | 139 | 316 | 1,217 | 1,332 |
| Charles | 190 | 749 | 2,341 | 2,536 |
| Prince George's | 505 | 912 | 3,136 | 3,110 |
| St. Mary's | 262 | 832 | 3,433 | 4,166 |
| Totals | (3.1%) 1,385 | (7.0%) 3,136 | (26.4%) 11,785 | (28.7%) 12,812 |
| Anthony J. O'Donnell George W. Bush (Won) | Robert "Rob" Reed | Travis Weber | |
| Anne Arundel | 1,634 | 223 | 189 |
| Calvert | 1,479 | 268 | 201 |
| Charles | 2,367 | 322 | 273 |
| Prince George's | 3,053 | 590 | 519 |
| St. Mary's | 3,714 | 355 | 324 |
| Totals | (27.4%) 12,247 | (3.9%) 1,758 | (3.4%) 1,506 |
| Miguel Boluda George W. Bush (Won) | Greg Davis George W. Bush (Won) | Maria A. Ialacci | Carolyn V. Lees George W. Bush (Won) | |
| Anne Arundel | 1,583 | 1,756 | 316 | 1,686 |
| Calvert | 1,268 | 1,441 | 299 | 1,397 |
| Charles | 2,359 | 2,620 | 465 | 2,552 |
| Prince George's | 3,130 | 3,346 | 956 | 3,259 |
| St. Mary's | 3,290 | 3,918 | 588 | 3,592 |
| Totals | (29.2%) 11,630 | (32.8%) 13,081 | (6.6%) 2,624 | (31.4%) 12,486 |