Here are the results of the March, 1998 poll, in which 1,206 fans picked the MLS Cup ’98 champion. Teams were awarded five points for a first-place vote, 3 points for a runner-up vote and one point for a beaten-semifinalist vote.
| Team | Winner | Runner-Up | Semifinalist | Total Points |
| D.C. United | 423 | 237 | 363 | 3189 |
| Kansas City | 141 | 290 | 295 | 1870 |
| Dallas | 116 | 173 | 246 | 1345 |
| Columbus | 106 | 62 | 232 | 948 |
| Los Angeles | 70 | 98 | 207 | 851 |
| MetroStars | 91 | 42 | 117 | 698 |
| New England | 59 | 43 | 228 | 652 |
| Colorado | 43 | 76 | 205 | 648 |
| Chicago | 54 | 71 | 98 | 581 |
| Miami | 30 | 31 | 115 | 358 |
| Tampa Bay | 28 | 27 | 93 | 314 |
| San Jose | 27 | 20 | 97 | 292 |