Clallam |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 6389 |
| Doug Smith | R | 3356 |
| DeMilt Morse | D | 516 |
| L.J. (Len) Mansholt | D | 494 |
| William L. McCord | L | 438 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 2215 |
| Doug Smith | R | 740 |
| DeMilt Morse | D | 132 |
| L.J. (Len) Mansholt | D | 123 |
| William L. McCord | L | 76 |
Island |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 5832 |
| Doug Smith | R | 2735 |
| L.J. (Len) Mansholt | D | 287 |
| DeMilt Morse | D | 286 |
| William L. McCord | L | 241 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 2493 |
| Doug Smith | R | 1027 |
| William L. McCord | L | 138 |
| DeMilt Morse | D | 120 |
| L.J. (Len) Mansholt | D | 109 |
King |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 93 |
| Doug Smith | R | 48 |
| DeMilt Morse | D | 10 |
| L.J. (Len) Mansholt | D | 7 |
| William L. McCord | L | 4 |
Mason |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 5558 |
| Doug Smith | R | 2304 |
| L.J. (Len) Mansholt | D | 345 |
| DeMilt Morse | D | 340 |
| William L. McCord | L | 230 |
San Juan |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 1973 |
| Doug Smith | R | 1140 |
| William L. McCord | L | 113 |
| DeMilt Morse | D | 66 |
| L.J. (Len) Mansholt | D | 64 |
Skagit |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 8392 |
| Doug Smith | R | 3669 |
| William L. McCord | L | 457 |
| DeMilt Morse | D | 390 |
| L.J. (Len) Mansholt | D | 358 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 12002 |
| Doug Smith | R | 5017 |
| L.J. (Len) Mansholt | D | 993 |
| DeMilt Morse | D | 849 |
| William L. McCord | L | 691 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Al Swift | D | 9830 |
| Doug Smith | R | 5346 |
| William L. McCord | L | 677 |
| L.J. (Len) Mansholt | D | 508 |
| DeMilt Morse | D | 496 |