May 2014 Primary Election - Daily ballot turnout
Registered voters in Multnomah County: 422,638
| Date | Ballots Received | Cumulative | Turnout Percentage |
| (military/overseas) 04/10/2014-04/30/2014 | 136 | 136 | .0.03% |
| 05/01/2014 | 83 | 219 | .0.05% |
| 05/02/2014 | 218 | 437 | .0.10% |
| 05/05/2014 | 6877 | 7315 | 1.73% |
| 05/06/2014 | 11215 | 18530 | 4.38% |
| 05/07/2014 | 6332 | 24862 | 5.88% |
| 05/08/2014 | 5177 | 30039 | 7.11% |
| 05/09/2014 | 4329 | 34368 | 8.13% |
| 05/12/2014 | 8038 | 42406 | 10.03% |
| 05/13/2014 | 7197 | 49603 | 11.74% |
| 05/14/2014 | 5655 | 55258 | 13.07% |
| 05/15/2014 | 4423 | 59681 | 14.12% |
| 05/16/2014 | 5430 | 65111 | 15.41% |
| 05/19/2014 | 19690 | 84801 | 20.06% |
| 05/20/2014 | 53430 | 138231 | 32.71% |