United States Presidential election7 Nov 2028in 729 days Senate D 97% House D 58% Calendar Track record Research
Closest results
Election 1988 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1988 US Senate election in Washington

Slade Gorton (Republican) beat Mike Lowry (Democrat) in Washington in 1988, 51.1% to 48.9%, a margin of 2.2 points and 40,176 votes.

Washington changed party: in 1982 it went Democratic, for Henry M. Jackson.

Republicans led in 27 of the 39 counties as they stood then and Democrats in 12. The largest, King, cast 628,489 votes and went to the Democrat by 8.0 points. The closest was Pend Oreille, where 15 votes separated the two parties.

United States
If only voted How this works
If the polls miss like

Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Slade Gorton won Republican 944,359 51.1%
Mike Lowry Democratic 904,183 48.9%
Total1,848,542

Every county

CountyDemocratRepublicanOthersTotalMargin
King 339,402 54.0% 289,087 46.0% 628,489 D+8.0
Pierce 93,310 49.3% 96,122 50.7% 189,432 R+1.5
Snohomish 80,413 47.7% 88,307 52.3% 168,720 R+4.7
Spokane 68,482 48.2% 73,583 51.8% 142,065 R+3.6
Clark 37,435 48.0% 40,518 52.0% 77,953 R+4.0
Thurston 34,266 50.7% 33,371 49.3% 67,637 D+1.3
Kitsap 30,493 45.8% 36,125 54.2% 66,618 R+8.5
Yakima 22,785 38.2% 36,844 61.8% 59,629 R+23.6
Whatcom 24,779 49.5% 25,278 50.5% 50,057 R+1.0
Benton 8,547 19.2% 35,986 80.8% 44,533 R+61.6
Skagit 15,416 47.9% 16,747 52.1% 32,163 R+4.1
Cowlitz 14,955 52.6% 13,502 47.4% 28,457 D+5.1
Grays Harbor 14,409 59.6% 9,780 40.4% 24,189 D+19.1
Lewis 9,287 39.5% 14,254 60.5% 23,541 R+21.1
Clallam 11,235 48.9% 11,738 51.1% 22,973 R+2.2
Island 8,675 40.4% 12,806 59.6% 21,481 R+19.2
Chelan 7,711 39.0% 12,083 61.0% 19,794 R+22.1
Grant 7,265 40.0% 10,897 60.0% 18,162 R+20.0
Walla Walla 7,004 39.7% 10,647 60.3% 17,651 R+20.6
Mason 8,078 51.2% 7,692 48.8% 15,770 D+2.4
Whitman 7,256 47.5% 8,022 52.5% 15,278 R+5.0
Stevens 5,389 44.5% 6,729 55.5% 12,118 R+11.1
Okanogan 5,711 48.0% 6,189 52.0% 11,900 R+4.0
Franklin 3,225 29.6% 7,683 70.4% 10,908 R+40.9
Kittitas 5,041 47.6% 5,542 52.4% 10,583 R+4.7
Jefferson 5,388 55.6% 4,298 44.4% 9,686 D+11.3
Douglas 3,689 39.2% 5,718 60.8% 9,407 R+21.6
Pacific 4,887 59.5% 3,325 40.5% 8,212 D+19.0
Asotin 3,373 51.4% 3,195 48.6% 6,568 D+2.7
Klickitat 2,983 49.3% 3,064 50.7% 6,047 R+1.3
San Juan 2,932 51.1% 2,811 48.9% 5,743 D+2.1
Lincoln 1,932 40.8% 2,805 59.2% 4,737 R+18.4
Adams 1,606 36.0% 2,856 64.0% 4,462 R+28.0
Pend Oreille 1,855 49.8% 1,870 50.2% 3,725 R+0.4
Skamania 1,775 57.7% 1,299 42.3% 3,074 D+15.5
Ferry 1,004 50.6% 981 49.4% 1,985 D+1.2
Columbia 784 40.1% 1,170 59.9% 1,954 R+19.8
Wahkiakum 804 52.9% 716 47.1% 1,520 D+5.8
Garfield 602 45.6% 719 54.4% 1,321 R+8.9

Counties as they stood in 1988; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Washington Senate elections we hold

YearWinnerMargin
2024 Maria Cantwell (D) D+18.5
2022 Patty Murray (D) D+14.6
2018 Maria Cantwell (D) D+16.9
2016 Patty Murray (D) D+18.0
2012 Maria Cantwell (D) D+20.9
2010 Patty Murray (D) D+4.7
2006 Maria Cantwell (D) D+16.9
2004 Patty Murray (D) D+12.2
2000 Maria Cantwell (D) D+0.1
1998 Patty Murray (D) D+16.8
1994 Slade Gorton (R) R+11.5
1992 Patty Murray (D) D+8.0
1988 Slade Gorton (R) R+2.2
1986 Brock Adams (D) D+2.0
1982 Henry M. Jackson (D) D+44.7
1980 Slade Gorton (R) R+8.3
1976 Henry M. Jackson (D) D+47.6
1974 Warren Magnuson (D) D+24.6
1970 Scoop Jackson (D) D+66.4
1968 Warren Magnuson (D) D+29.1
1964 Scoop Jackson (D) D+44.4
1962 Warren Magnuson (D) D+4.8
1958 Scoop Jackson (D) D+35.9
1956 Warren Magnuson (D) D+22.2
1952 Scoop Jackson (D) D+12.7
1950 Warren Magnuson (D) D+7.4
1946 Harry P. Cain (R) R+9.1
1944 Warren Magnuson (D) D+10.7
1940 Monrad C. Wallgren (D) D+8.3
1938 Homer T. Bone (D) D+25.5
1934 Lewis Schwellenbach (D) D+26.9
1932 Homer T. Bone (D) D+27.9
1928 Clarence C. Dill (D) D+7.0
1926 Wesley L. Jones (R) R+4.8
1922 Clarence C. Dill (D) D+1.3
1920 Wesley L. Jones (R) R+38.6
1916 Miles Poindexter (R) R+18.3
1914 Wesley L. Jones (R) R+11.2