Washington — 1988 U.S. Senate election
Recent presidential results
Akashicstate1988 Senate electionWashington · U.S. SenateGortonR+2.2
How it voted
Share of the 1988 vote
| Slade Gorton ✓Republican | 51.1% | 944,359 |
|---|---|---|
| Mike LowryDemocrat | 48.9% | 904,183 |
1988Senate margin
D+60R+60
39 counties, each filled by 1988 D-vs-R margin. Hover any county for its result.
County-level results (39 counties) — table
| County | Winner | Margin |
|---|---|---|
| ADAMS, WA | Republican | R+28.0 |
| ASOTIN, WA | Democratic | D+2.7 |
| BENTON, WA | Republican | R+61.6 |
| CHELAN, WA | Republican | R+22.1 |
| CLALLAM, WA | Republican | R+2.2 |
| CLARK, WA | Republican | R+4.0 |
| COLUMBIA, WA | Republican | R+19.8 |
| COWLITZ, WA | Democratic | D+5.1 |
| DOUGLAS, WA | Republican | R+21.6 |
| FERRY, WA | Democratic | D+1.2 |
| FRANKLIN, WA | Republican | R+40.9 |
| GARFIELD, WA | Republican | R+8.9 |
| GRANT, WA | Republican | R+20.0 |
| GRAYS HARBOR, WA | Democratic | D+19.1 |
| ISLAND, WA | Republican | R+19.2 |
| JEFFERSON, WA | Democratic | D+11.3 |
| KING, WA | Democratic | D+8.0 |
| KITSAP, WA | Republican | R+8.5 |
| KITTITAS, WA | Republican | R+4.7 |
| KLICKITAT, WA | Republican | R+1.3 |
| LEWIS, WA | Republican | R+21.1 |
| LINCOLN, WA | Republican | R+18.4 |
| MASON, WA | Democratic | D+2.4 |
| OKANOGAN, WA | Republican | R+4.0 |
| PACIFIC, WA | Democratic | D+19.0 |
| PEND OREILLE, WA | Republican | R+0.4 |
| PIERCE, WA | Republican | R+1.5 |
| SAN JUAN, WA | Democratic | D+2.1 |
| SKAGIT, WA | Republican | R+4.1 |
| SKAMANIA, WA | Democratic | D+15.5 |
| SNOHOMISH, WA | Republican | R+4.7 |
| SPOKANE, WA | Republican | R+3.6 |
| STEVENS, WA | Republican | R+11.1 |
| THURSTON, WA | Democratic | D+1.3 |
| WAHKIAKUM, WA | Democratic | D+5.8 |
| WALLA WALLA, WA | Republican | R+20.6 |
| WHATCOM, WA | Republican | R+1.0 |
| WHITMAN, WA | Republican | R+5.0 |
| YAKIMA, WA | Republican | R+23.6 |
presidential baselinePresident 1988D+1.6Senate 1988R+2.2vs. baselineR+3.8
Washington's 1988 Senate race ran 3.8 points more Republican than the presidential race on the same ballot.
Washington's Senate margins
Every comparable D–R contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | +47.6% |
| 1980 | −8.3% |
| 1982 | +44.7% |
| 1986 | +2.0% |
| 1988 | −2.2% |
| 1992 | +8.0% |
| 1994 | −11.5% |
| 1998 | +16.8% |
| 2000 | +0.1% |
| 2004 | +12.2% |
| 2006 | +16.9% |
| 2010 | +4.7% |
| 2012 | +20.9% |
| 2016 | +18.0% |
| 2018 | +16.9% |
| 2022 | +14.5% |
| 2024 | +18.5% |
Same ballot, 1988WA
Source. MIT Election Data + Science Lab — 1988 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.