| District | Name | Residence | Counties | Party |
| 1 | Lloyd T. Reynolds | Salem | Marion | Republican |
| 1 | Thomas B. Kay | Salem | Marion | Republican |
| 1 | Otto J. Wilson | Salem | Marion | Republican |
| 2 | Sterling H. Goin | Jefferson | Linn | Democratic |
| 2 | A. K. McMahan | Albany | Linn | Democratic |
| 3 | Edward F. Bailey | Junction City | Lane | Democratic |
| 3 | Ben F. Keeney | Eugene | Lane | Republican |
| 3 | H. C. Wheeler | Pleasant Hill | Lane | Republican |
| 4 | D. S. Beals | Riddle | Douglas | Republican |
| 4 | J. M. Throne | Roseburg | Douglas | Republican |
| 5 | T. T. Bennett | Marshfield | Coos | Republican |
| 6 | S. P. Peirce | Sixes | Coos/Curry | Republican |
| 7 | Theodore P. Cramer, Jr. | Grants Pass | Josephine | Republican |
| 8 | John H. Carkin | Medford | Jackson | Republican |
| 8 | Ralph P. Cowgill | Central Point | Jackson | Republican |
| 9 | L. N. Blowers | Hood River | Hood River | Republican |
| 10 | Claude Buchanan | Corvallis | Benton | Republican |
| 11 | D. E. Fletcher | Independence | Polk | Republican |
| 12 | W. C. Bolton | Maupin | Wasco | Republican |
| 13 | Arthur McPhillips | McMinnville | Yamhill | Democratic |
| 13 | Ed Cary | Lafayette | Yamhill | Republican |
| 14 | B. F. Jones | Newport | Lincoln | Republican |
| 15 | Loyal M. Graham | Forest Grove | Washington | Republican |
| 15 | L. M. Hesse | Beaverton | Washington | Republican |
| 15 | Edward Schulmerich | Hillsboro | Washington | Republican |
| 16 | Philip Hammond | Oregon City | Clackamas | Republican |
| 16 | M. J. Lee | Canby | Clackamas | Republican |
| 16 | George G. Randall | New Era | Clackamas | Republican |
| 17 | James A. Lackey | Ontario | Malheur | Democratic |
| 18 | George A. Lovejoy | Portland | Multnomah | Democratic |
| 18 | L. H. Adams | Portland | Multnomah | Republican |
| 18 | Cyril G. Brownell | Portland | Multnomah | Republican |
| 18 | E. R. Campbell | Portland | Multnomah | Republican |
| 18 | Herbert Gordon | Portland | Multnomah | Republican |
| 18 | Thomas H. Hurlburt | Portland | Multnomah | Republican |
| 18 | Oliver B. Huston | Portland | Multnomah | Republican |
| 18 | R. J. Kirkwood | Portland | Multnomah | Republican |
| 18 | K. K. Kubli | Portland | Multnomah | Republican |
| 18 | Louis Kuehn | Portland | Multnomah | Republican |
| 18 | D. C. Lewis | Portland | Multnomah | Republican |
| 18 | C. B. Simmons | Portland | Multnomah | Republican |
| 18 | William F. Woodward | Portland | Multnomah | Republican |
| 19 | E. N. Hurd | Astoria | Clatsop | Republican |
| 19 | James W. Mott | Seaside | Clatsop | Republican |
| 20 | Sherman Miles | St. Helens | Columbia | Democratic |
| 21 | Denton G. Burdick | Redmond | Crook/Deschutes/Jefferson/Klamath/Lake | Republican |
| 21 | J. M. Ezell | Klamath Falls | Crook/Deschutes/Jefferson/Klamath/Lake | Republican |
| 21 | H. J. Overturf | Bend | Crook/Deschutes/Jefferson/Klamath/Lake | Republican |
| 22 | Alfred J. Smith | Pendleton | Morrow/Umatilla | Republican |
| 23 | L. L. Mann | Milton | Umatilla | Republican |
| 23 | S. A. Miller | Milton | Umatilla | Republican |
| 24 | Charles A. Hunter | Wallowa | Union/Wallowa | Republican |
| 25 | A. R. Hunter | Island City | Union | Democratic |
| 26 | Charles J. Shelton | Barker | Baker | Republican |
| 27 | R. A. Ford | Dayville | Grant/Harney | Republican |
| 28 | W. F. Jackson | Moro | Gilliam/Sherman/Wheeler | Democratic |
| 28 | R. J. Carsner | Spray | Gilliam/Sherman/Wheeler | Republican |
| 29 | Rollie W. Watson | Tillamook | Tillamook | Republican |
| 30 | Fred J. Meindl | Portland | Clackamas/Multnomah | Republican |
