| Number of Registered Voters in Multnomah County: 363,589 | ||
Date | Ballots Received | Voter |
| Mon., May. 3, 2004 | 5,915 | 2% |
| Tue., May. 4, 2004 | 18,018 | 5% |
| Wed., May. 5, 2004 | 24,751 | 7% |
| Thur., May. 6, 2004 | 31,167 | 9% |
| Fri. May. 7, 2004 | 37,246 | 10% |
| Mon., May. 10, 2004 | 45,966 | 13% |
| Tue., May. 11, 2004 | 55,091 | 15% |
| Wed., May. 12, 2004 | 62,035 | 17% |
| Thur., May. 13, 2004 | 69,034 | 19% |
| Fri., May. 14, 2004 | 76,979 | 21% |
| Sat., May. 15, 2004 | 91,592 | 25% |
| Mon., May. 17, 2004 | 107,907 | 30% |
| Tue., May. 18, 2004 | 164,311 | 45% |
| Final Official | 164,635 | 45% |
May 2004 Primary Election Voter Turnout
May 2004 Primary Election Voter Turnout
Last reviewed January 12, 2023