| Election Name: | 2004 Sligo County Council election |
| Country: | Ireland |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1999 Sligo County Council election |
| Previous Year: | 1999 |
| Next Election: | 2009 Sligo County Council election |
| Next Year: | 2009 |
| Seats For Election: | All 25 seats on Sligo County Council |
| Election Date: | 11 June 2004 |
| Party1: | Fianna Fáil |
| Seats1: | 10 |
| Seat Change1: | +1 |
| Party2: | Fine Gael |
| Seats2: | 10 |
| Seat Change2: | -1 |
| Party3: | Labour Party (Ireland) |
| Seats3: | 3 |
| Seat Change3: | +1 |
| Party4: | Sinn Féin |
| Seats4: | 1 |
| Seat Change4: | - |
| Party5: | Independent (politician) |
| Seats5: | 1 |
| Seat Change5: | -1 |
| Map Size: | 300px |
| Council control | |
| Posttitle: | Council control after election |
An election to Sligo County Council took place on 11 June 2004 as part of that year's Irish local elections. 25 councillors were elected from five local electoral areas (LEAs) for a five-year term of office on the electoral system of proportional representation by means of the single transferable vote (PR-STV).
| Party | valign=top | Seats | valign=top | ± | valign=top | First Pref. votes | valign=top | FPv% | valign=top | ±% |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | +1 | 12,331 | 37.42 | |||||||
| 10 | align=right | -1 | 12,115 | 36.76 | ||||||
| 3 | +1 | 3,434 | 10.42 | |||||||
| 1 | align=right | - | 2,546 | 7.73 | ||||||
| 1 | align=right | -1 | 2,529 | 7.67 | ||||||
| Totals | align=right | 25 | align=center | - | align=right | 32,955 | 100.00 | — |