{
 "topic": "senate",
 "site": "electiondata.dev",
 "place": {
  "id": "us-wa",
  "name": "Washington",
  "level": "us-state",
  "parent": "usa",
  "path": "us/wa",
  "slug": "wa",
  "state": "wa",
  "state_name": "Washington",
  "state_id": "us-wa"
 },
 "question": "How did Washington vote for the Senate?",
 "answer": {
  "verdict": "Maria Cantwell (Democrat) won by 18.5 points",
  "value": 18.5,
  "unit": " pts",
  "digits": 1,
  "label": "Senate, 2024: winner's margin",
  "lines": [
   "Maria Cantwell (Democrat) 59.1%, Dr Raul Garcia (Republican) 40.6%",
   "3,812,391 votes for Senate candidates"
  ]
 },
 "as_of": "2024",
 "as_of_label": "2024",
 "charts": [
  {
   "id": "senate-margin",
   "title": "Every regular Senate election in Washington since 1976",
   "description": "17 regular elections; Democrats were ahead in 14 and Republicans in 3.",
   "indicator": "Democratic candidate's share of Senate votes minus the Republican's, points (regular elections; special elections are in the table)",
   "subtitle": "Democratic share minus Republican share, in points. Above the line: the Democrat got more votes.",
   "x": {
    "kind": "year"
   },
   "y": {
    "digits": 1,
    "unit": " pts",
    "format": "party-margin"
   },
   "layers": [
    {
     "type": "bars",
     "name": "Margin",
     "base": 0,
     "points": [
      [
       1976,
       47.593,
       "dem"
      ],
      [
       1980,
       -8.346,
       "rep"
      ],
      [
       1982,
       44.676,
       "dem"
      ],
      [
       1986,
       1.984,
       "dem"
      ],
      [
       1988,
       -2.174,
       "rep"
      ],
      [
       1992,
       7.984,
       "dem"
      ],
      [
       1994,
       -11.498,
       "rep"
      ],
      [
       1998,
       16.828,
       "dem"
      ],
      [
       2000,
       0.09,
       "dem"
      ],
      [
       2004,
       12.244,
       "dem"
      ],
      [
       2006,
       16.92,
       "dem"
      ],
      [
       2010,
       4.73,
       "dem"
      ],
      [
       2012,
       20.902,
       "dem"
      ],
      [
       2016,
       18.026,
       "dem"
      ],
      [
       2018,
       16.868,
       "dem"
      ],
      [
       2022,
       14.518,
       "dem"
      ],
      [
       2024,
       18.45,
       "dem"
      ]
     ],
     "legend": [
      {
       "label": "Democrat ahead",
       "cls": "dem"
      },
      {
       "label": "Republican ahead",
       "cls": "rep"
      }
     ]
    }
   ]
  }
 ],
 "limits": [
  "Statewide totals say nothing about who voted or why.",
  "Candidates with a party's support under another name (Minnesota's DFL, New York's fusion lines) are counted with that party, as the MIT data's simplified party does; independents stay independents."
 ],
 "method": "Each candidate's votes are summed over every ballot line; blank, over- and under-votes are left out. The margin is the winner's share of the votes minus the runner-up's. A runoff, where held, is the result.",
 "sources": [
  {
   "name": "electiondata.dev senate-results, version 2026-10-25.247421eda6",
   "url": "https://electiondata.dev/",
   "license": "CC0 1.0"
  },
  {
   "name": "MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024",
   "url": "https://doi.org/10.7910/DVN/PEJ5QU",
   "license": "CC0 1.0"
  }
 ],
 "check": {
  "races": [
   {
    "year": 1976,
    "special": false,
    "runoff": false,
    "total": 1491111,
    "votes": {
     "Henry M. Jackson": 1071219,
     "George M. Brown": 361546,
     "Dave Smith": 28182,
     "Richard K. Kenney": 19373,
     "Karl Bermann": 7402,
     "William F. Wertz Jr.": 3389
    }
   },
   {
    "year": 1980,
    "special": false,
    "runoff": false,
    "total": 1728369,
    "votes": {
     "Slade Gorton": 936317,
     "Warren G. Magnuson": 792052
    }
   },
   {
    "year": 1982,
    "special": false,
    "runoff": false,
    "total": 1368476,
    "votes": {
     "Henry M. Jackson": 943655,
     "Doug Jewett": 332273,
     "King Lysen": 72297,
     "Jesse Chiang": 20251
    }
   },
   {
    "year": 1986,
    "special": false,
    "runoff": false,
    "total": 1337367,
    "votes": {
     "Brock Adams": 677471,
     "Slade Gorton": 650931,
     "Jill Fein": 8965
    }
   },
   {
    "year": 1988,
    "special": false,
    "runoff": false,
    "total": 1848542,
    "votes": {
     "Slade Gorton": 944359,
     "Mike Lowry": 904183
    }
   },
   {
    "year": 1992,
    "special": false,
    "runoff": false,
    "total": 2218802,
    "votes": {
     "Patty Murray": 1197973,
     "Rod Chandler": 1020829
    }
   },
   {
    "year": 1994,
    "special": false,
    "runoff": false,
    "total": 1700173,
    "votes": {
     "Slade Gorton": 947821,
     "Ron Sims": 752352
    }
   },
   {
    "year": 1998,
    "special": false,
    "runoff": false,
    "total": 1888561,
    "votes": {
     "Patty Murray": 1103184,
     "Linda Smith": 785377
    }
   },
   {
    "year": 2000,
    "special": false,
    "runoff": false,
    "total": 2461379,
    "votes": {
     "Maria Cantwell": 1199437,
     "Slade Gorton": 1197208,
     "Jeff Jared": 64734
    }
   },
   {
    "year": 2004,
    "special": false,
    "runoff": false,
    "total": 2818651,
    "votes": {
     "Patty Murray": 1549708,
     "George R. Nethercutt": 1204584,
     "J. Mills": 34055,
     "Mark B. Wilson": 30304
    }
   },
   {
    "year": 2006,
    "special": false,
    "runoff": false,
    "total": 2083734,
    "votes": {
     "Maria Cantwell": 1184659,
     "Mike Mcgavick": 832106,
     "Bruce Guthrie": 29331,
     "Aaron Dixon": 21254,
     "Robin Adair": 16384
    }
   },
   {
    "year": 2010,
    "special": false,
    "runoff": false,
    "total": 2511094,
    "votes": {
     "Patty Murray": 1314930,
     "Dino Rossi": 1196164
    }
   },
   {
    "year": 2012,
    "special": false,
    "runoff": false,
    "total": 3069417,
    "votes": {
     "Maria Cantwell": 1855493,
     "Michael Baumgartner": 1213924
    }
   },
   {
    "year": 2016,
    "special": false,
    "runoff": false,
    "total": 3243317,
    "votes": {
     "Patty Murray": 1913979,
     "Chris Vance": 1329338
    }
   },
   {
    "year": 2018,
    "special": false,
    "runoff": false,
    "total": 3086168,
    "votes": {
     "Maria Cantwell": 1803364,
     "Susan Hutchison": 1282804
    }
   },
   {
    "year": 2022,
    "special": false,
    "runoff": false,
    "total": 3047900,
    "votes": {
     "Patty Murray": 1741827,
     "Tiffany Smiley": 1299322
    }
   },
   {
    "year": 2024,
    "special": false,
    "runoff": false,
    "total": 3812391,
    "votes": {
     "Maria Cantwell": 2252577,
     "Dr Raul Garcia": 1549187
    }
   }
  ],
  "dataset": "senate-results",
  "version": "2026-10-25.247421eda6"
 },
 "table": {
  "title": "Every Senate race since 1976",
  "columns": [
   "Race",
   "Winner",
   "Runner-up",
   "Margin",
   "Votes"
  ],
  "num": [
   3,
   4
  ],
  "rows": [
   [
    "2024",
    "Maria Cantwell (D) 59.1%",
    "Dr Raul Garcia (R) 40.6%",
    "18.5 pts",
    "3,812,391"
   ],
   [
    "2022",
    "Patty Murray (D) 57.1%",
    "Tiffany Smiley (R) 42.6%",
    "14.5 pts",
    "3,047,900"
   ],
   [
    "2018",
    "Maria Cantwell (D) 58.4%",
    "Susan Hutchison (R) 41.6%",
    "16.9 pts",
    "3,086,168"
   ],
   [
    "2016",
    "Patty Murray (D) 59.0%",
    "Chris Vance (R) 41.0%",
    "18.0 pts",
    "3,243,317"
   ],
   [
    "2012",
    "Maria Cantwell (D) 60.5%",
    "Michael Baumgartner (R) 39.5%",
    "20.9 pts",
    "3,069,417"
   ],
   [
    "2010",
    "Patty Murray (D) 52.4%",
    "Dino Rossi (R) 47.6%",
    "4.7 pts",
    "2,511,094"
   ],
   [
    "2006",
    "Maria Cantwell (D) 56.9%",
    "Mike Mcgavick (R) 39.9%",
    "16.9 pts",
    "2,083,734"
   ],
   [
    "2004",
    "Patty Murray (D) 55.0%",
    "George R. Nethercutt (R) 42.7%",
    "12.2 pts",
    "2,818,651"
   ],
   [
    "2000",
    "Maria Cantwell (D) 48.7%",
    "Slade Gorton (R) 48.6%",
    "0.1 pts",
    "2,461,379"
   ],
   [
    "1998",
    "Patty Murray (D) 58.4%",
    "Linda Smith (R) 41.6%",
    "16.8 pts",
    "1,888,561"
   ],
   [
    "1994",
    "Slade Gorton (R) 55.7%",
    "Ron Sims (D) 44.3%",
    "11.5 pts",
    "1,700,173"
   ],
   [
    "1992",
    "Patty Murray (D) 54.0%",
    "Rod Chandler (R) 46.0%",
    "8.0 pts",
    "2,218,802"
   ],
   [
    "1988",
    "Slade Gorton (R) 51.1%",
    "Mike Lowry (D) 48.9%",
    "2.2 pts",
    "1,848,542"
   ],
   [
    "1986",
    "Brock Adams (D) 50.7%",
    "Slade Gorton (R) 48.7%",
    "2.0 pts",
    "1,337,367"
   ],
   [
    "1982",
    "Henry M. Jackson (D) 69.0%",
    "Doug Jewett (R) 24.3%",
    "44.7 pts",
    "1,368,476"
   ],
   [
    "1980",
    "Slade Gorton (R) 54.2%",
    "Warren G. Magnuson (D) 45.8%",
    "8.3 pts",
    "1,728,369"
   ],
   [
    "1976",
    "Henry M. Jackson (D) 71.8%",
    "George M. Brown (R) 24.2%",
    "47.6 pts",
    "1,491,111"
   ]
  ]
 },
 "api": {
  "now": "/data/places/us-wa/senate.json",
  "source": "https://api.electiondata.dev/v1/senate-results/download/senate-results.csv",
  "source_label": "Every Senate race, every state, from electiondata.dev (live, no key)"
 },
 "generated_at": "2026-10-26T20:05:12+00:00"
}