*These data are provisional and may be revised or adjusted in the future.
Cumulative Mosquito Infections by County - Indiana, 2004
| Allen County | 3 |
| Boone County | 3 |
| Clark County | 6 |
| Crawford County | 2 |
| Dubois County | 1 |
| Floyd County | 12 |
| Gibson County | 2 |
| Grant County | 4 |
| Hamilton County | 1 |
| Harrison County | 2 |
| Hendricks County | 1 |
| Jackson County | 1 |
| Jasper County | 1 |
| Jay County | 1 |
| Jennings County | 1 |
| Knox County | 5 |
| Lake County | 1 |
| Marion County | 60 |
| Ohio County | 1 |
| Perry County | 2 |
| Posey County | 3 |
| Randolph County | 1 |
| Saint Joseph County | 6 |
| Spencer County | 1 |
| Tippecanoe County | 2 |
| Tipton County | 1 |
| Vanderburgh County | 5 |
| Warrick County | 1 |
| Washington County | 1 |
| Wells County | 1 |
| White County | 1 |