| Election Name: | 2004 Kentucky House of Representatives election |
| Country: | Kentucky |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2002 Kentucky House of Representatives election |
| Previous Year: | 2002 |
| Next Election: | 2006 Kentucky House of Representatives election |
| Next Year: | 2006 |
| Seats For Election: | All 100 seats in the Kentucky House of Representatives |
| Majority Seats: | 51 |
| Election Date: | November 2, 2004 |
| Leader1: | Jody Richards |
| Party1: | Democratic Party (United States) |
| Leaders Seat1: | 20th |
| Last Election1: | 65 |
| Seats Before1: | 64 |
| Seats1: | 57 |
| Seat Change1: | 7 |
| Popular Vote1: | 736,877 |
| Percentage1: | 49.65% |
| Leader2: | Jeff Hoover |
| Party2: | Republican Party (United States) |
| Leaders Seat2: | 83rd |
| Last Election2: | 35 |
| Seats Before2: | 36 |
| Seats2: | 43 |
| Seat Change2: | 7 |
| Popular Vote2: | 747,292 |
| Percentage2: | 50.35% |
| Map Size: | 340px |
| Map2 Image: | 2004 Kentucky House of Representatives Election Popular Vote.svg |
| Map2 Size: | 340px |
| Map2 Caption: | Popular vote Democratic: Republican: |
| Speaker | |
| Before Election: | Jody Richards |
| Before Party: | Democratic |
| After Election: | Jody Richards |
| After Party: | Democratic |
The 2004 Kentucky House of Representatives elections were held on November 2, 2004, as part of the biennial United States elections. All 100 of Kentucky's state representatives were up for reelection. In Kentucky, members of the House of Representatives serve two-year terms. Accordingly, they are up for reelection in both presidential and midterm election years.
Democrats held onto their majority in the House, which had been in democratic control since the 1921 elections. They continued to be the majority party in the House until the 2016 election.[1] Despite keeping their majority, Democrats lost seven seats to Republicans in the Jackson Purchase and Pennyroyal regions.
Seats where the margin of victory was under 10%:
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