Oregon's 51st House district
District 51 of the Oregon House of Representatives is one of 60 House legislative districts in the state of Oregon. As of 2013, the boundary for the district includes portions of Clackamas and Multnomah counties. The current representative for the district is Democrat Janelle Bynum of Happy Valley.District boundaries have changed over time; therefore, representatives before 2013 may not represent the same constituency as today. General election results from 2000 to present are as follows:
| Year | Candidate | Party | Percent | Opponent | Party | Percent | Opponent | Party | Percent |
| 2000 | Cherryl Walker | Republican | 66.31% | Lon Holston | Democratic | 33.69% | | | |
| 2002 | Linda Flores | Republican | 57.91% | Jan Lee | Democratic | 42.02% | Write-ins | | 0.07% |
| 2004 | Linda Flores | Republican | 53.32% | Kathryn Firestone | Democratic | 46.68% | | | |
| 2006 | Linda Flores | Republican | 57.58% | Ryan Olds | Democratic | 42.28% | Write-ins | | 0.15% |
| 2008 | Brent Barton | Democratic | 51.68% | Linda Flores | Republican | 48.08% | Write-ins | | 0.24% |
| 2010 | Patrick Sheehan | Republican | 54.58% | Cheryl Myers | Democratic | 45.25% | Write-ins | | 0.18% |
| 2012 | Shemia Fagan | Democratic | 52.77% | Patrick Sheehan | Republican | 46.96% | Write-ins | | 0.28% |
| 2014 | Shemia Fagan | Democratic | 52.42% | Jodi Bailey | Republican | 47.10% | Write-ins | | 0.48% |
| 2016 | Janelle Bynum | Democratic | 50.85% | Lori Chavez-DeRemer | Republican | 48.85% | Write-ins | | 0.31% |
| 2018 | Janelle Bynum | Democratic | 53.92% | Lori Chavez-DeRemer | Republican | 45.85% | Write-ins | | 0.23% |
