1978 Primary Election Results
| FOR COMMISSIONER POSITION NO. 2 | MULTNOMAH COUNTY | CLACKAMAS COUNTY | WASHINGTON COUNTY | TOTAL VOTES RECEIVED |
| A. ARNOLD BISKAR | 21,663 | 31 | 17 | 21,711 |
| LOYAL C. LANG | 11,265 | 32 | 4 | 11,301 |
| MILDRED A. SCHWAB | 56,515 | 171 | 60 | 56,746 |
| TOTAL VOTES CAST FOR OFFICE | 89,443 | 234 | 81 | 89,758 |
| FOR COMMISSIONER POSITION NO. 3 | MULTNOMAH COUNTY | CLACKAMAS COUNTY | WASHINGTON COUNTY | TOTAL VOTES RECEIVED |
| MIKE BURTON | 6,964 | 14 | 6 | 6,984 |
| VERNON MARQUEZ COPE | 1,129 | 2 | 1 | 1,132 |
| FRANK J. IVANCIE | 52,406 | 160 | 40 | 52,606 |
| STEPHEN KAFOURY | 28,914 | 54 | 33 | 29,001 |
| GLEN W. LIVINGSTON | 1,296 | 5 | 0 | 1,301 |
| TOTAL VOTES CAST FOR OFFICE | 90,709 | 235 | 80 | 91,024 |
| FOR AUDITOR | MULTNOMAH COUNTY | CLACKAMAS COUNTY | WASHINGTON COUNTY | TOTAL VOTES RECEIVED |
| JOHN J. MCCABE | 26,826 | 76 | 25 | 26,927 |
| GEORGE YERKOVICH | 48,581 | 136 | 43 | 48,760 |
| TOTAL VOTES CAST FOR OFFICE | 75,407 | 212 | 68 | 75,687 |
| PARK IMPROVEMENT SPECIAL TAX LEVY | MULTNOMAH COUNTY | CLACKAMAS COUNTY | WASHINGTON COUNTY | TOTAL VOTES RECEIVED |
| YES | 36,088 | 71 | 38 | 36,197 |
| NO | 48,549 | 137 | 33 | 48,719 |
| TOTAL VOTES CAST FOR MEASURE | 84,637 | 208 | 71 | 84,916 |