| Election Name: | 2004 Westmeath County Council election |
| Country: | Ireland |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1999 Westmeath County Council election |
| Previous Year: | 1999 |
| Next Election: | 2009 Westmeath County Council election |
| Next Year: | 2009 |
| Seats For Election: | All 23 seats on Westmeath County Council |
| Election Date: | 11 June 2004 |
| Party1: | Fianna Fáil |
| Seats1: | 9 |
| Seat Change1: | -3 |
| Party2: | Fine Gael |
| Seats2: | 8 |
| Seat Change2: | +2 |
| Party3: | Labour Party (Ireland) |
| Seats3: | 6 |
| Seat Change3: | +1 |
| Map Size: | 300px |
| Council control | |
| Posttitle: | Council control after election |
An election to Westmeath County Council took place on 11 June 2004 as part of that year's Irish local elections. 23 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 | ±% |
|---|---|---|---|---|---|---|---|---|---|---|
| 9 | align=right | -3 | 11,782 | 34.00 | ||||||
| 8 | +2 | 11,294 | 32.60 | |||||||
| 6 | +1 | 8,736 | 25.22 | |||||||
| 0 | 0 | 1,757 | 5.07 | |||||||
| 0 | 0 | 381 | 1.01 | |||||||
| Totals | align=right | 23 | 0 | align=right | 34,643 | 100.00 | — |