{
 "topic": "senate",
 "site": "electiondata.dev",
 "place": {
  "id": "us-wi",
  "name": "Wisconsin",
  "level": "us-state",
  "parent": "usa",
  "path": "us/wi",
  "slug": "wi",
  "state": "wi",
  "state_name": "Wisconsin",
  "state_id": "us-wi"
 },
 "question": "How did Wisconsin vote for the Senate?",
 "answer": {
  "verdict": "Tammy Baldwin (Democrat) won by 0.8 points",
  "value": 0.8,
  "unit": " pts",
  "digits": 1,
  "label": "Senate, 2024: winner's margin",
  "lines": [
   "Tammy Baldwin (Democrat) 49.3%, Eric Hovde (Republican) 48.5%, Phil Anderson (Independent) 1.2%",
   "3,390,787 votes for Senate candidates"
  ]
 },
 "as_of": "2024",
 "as_of_label": "2024",
 "charts": [
  {
   "id": "senate-margin",
   "title": "Every regular Senate election in Wisconsin since 1976",
   "description": "17 regular elections; Democrats were ahead in 12 and Republicans in 5.",
   "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,
       45.599,
       "dem"
      ],
      [
       1980,
       -1.852,
       "rep"
      ],
      [
       1982,
       29.514,
       "dem"
      ],
      [
       1986,
       -3.48,
       "rep"
      ],
      [
       1988,
       4.529,
       "dem"
      ],
      [
       1992,
       6.56,
       "dem"
      ],
      [
       1994,
       17.608,
       "dem"
      ],
      [
       1998,
       2.146,
       "dem"
      ],
      [
       2000,
       24.507,
       "dem"
      ],
      [
       2004,
       11.238,
       "dem"
      ],
      [
       2006,
       37.83,
       "dem"
      ],
      [
       2010,
       -4.844,
       "rep"
      ],
      [
       2012,
       5.549,
       "dem"
      ],
      [
       2016,
       -3.362,
       "rep"
      ],
      [
       2018,
       10.837,
       "dem"
      ],
      [
       2022,
       -1.008,
       "rep"
      ],
      [
       2024,
       0.849,
       "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": 1935183,
    "votes": {
     "William Proxmire": 1396970,
     "Stanley York": 521902,
     "William O. Hart": 7354,
     "Robert Schwarz": 4876,
     "Michael A. Maclaurin": 2148,
     "Robert E. Nordlander": 1731
    }
   },
   {
    "year": 1980,
    "special": false,
    "runoff": false,
    "total": 2204202,
    "votes": {
     "Robert W. Kasten Jr.": 1106311,
     "Gaylord A. Nelson": 1065487,
     "James P. Wickstrom": 16156,
     "Bervin J. Larson": 9679,
     "Susan L. Hagen": 6502
    }
   },
   {
    "year": 1982,
    "special": false,
    "runoff": false,
    "total": 1544883,
    "votes": {
     "William Proxmire": 983311,
     "Scott Mccallum": 527355,
     "William Osborne Hart": 21807,
     "George Liljenfeldt": 7947,
     "Sanford G. Knapp": 4463
    }
   },
   {
    "year": 1986,
    "special": false,
    "runoff": false,
    "total": 1483174,
    "votes": {
     "Robert W. Kasten Jr.": 754573,
     "Edward R. Garvey": 702963,
     "Peter Y. Taylor Sr.": 19266,
     "Margo Storsteen": 2926,
     "Eugene A. Hem": 2234
    }
   },
   {
    "year": 1988,
    "special": false,
    "runoff": false,
    "total": 2168190,
    "votes": {
     "Herbert H. Kohl": 1128625,
     "Susan Engeleiter": 1030440,
     "George W. Zaehringer": 3965,
     "Patricia Grogan": 3029,
     "Arlyn F. Wollenburg": 1198
    }
   },
   {
    "year": 1992,
    "special": false,
    "runoff": false,
    "total": 2455124,
    "votes": {
     "Russell D. Feingold": 1290662,
     "Robert W. Kasten Jr.": 1129599,
     "Patrick W. Johnson": 16513,
     "William Bittner": 9147,
     "Mervin A. Hanson Sr.": 3264,
     "Robert L. Kundert": 2747,
     "Joseph Selliken": 2733
    }
   },
   {
    "year": 1994,
    "special": false,
    "runoff": false,
    "total": 1565628,
    "votes": {
     "Herb Kohl": 912662,
     "Robert T. Welch": 636989,
     "James Dean": 15439
    }
   },
   {
    "year": 1998,
    "special": false,
    "runoff": false,
    "total": 1760836,
    "votes": {
     "Russell D. Feingold": 890059,
     "Mark W. Neumann": 852272,
     "Robert R. Raymond": 7942,
     "Tom Ender": 5591,
     "Eugene A. Hem": 4266
    }
   },
   {
    "year": 2000,
    "special": false,
    "runoff": false,
    "total": 2540083,
    "votes": {
     "Herb Kohl": 1563238,
     "John Gillespie": 940744,
     "Tim Peterson": 21348,
     "Eugene A. Hem": 9555,
     "Robert R. Raymond": 4296
    }
   },
   {
    "year": 2004,
    "special": false,
    "runoff": false,
    "total": 2949743,
    "votes": {
     "Russel D. Feingold": 1632697,
     "Tim Michels": 1301183,
     "Arif Khan": 8367,
     "Eugene A. Hem": 6662
    }
   },
   {
    "year": 2006,
    "special": false,
    "runoff": false,
    "total": 2138297,
    "votes": {
     "Herb Kohl": 1439214,
     "Robert Gerald Lorge": 630299,
     "Rae Vogeler": 42434,
     "Ben J. Glatzel": 25096
    }
   },
   {
    "year": 2010,
    "special": false,
    "runoff": false,
    "total": 2171331,
    "votes": {
     "Ron Johnson": 1125999,
     "Russell D. Feingold": 1020958,
     "Rob Taylor": 23473,
     "Ernest J. Pagels Jr.": 134,
     "Michael D. Laforest": 129
    }
   },
   {
    "year": 2012,
    "special": false,
    "runoff": false,
    "total": 3009411,
    "votes": {
     "Tammy Baldwin": 1547104,
     "Tommy G. Thompson": 1380126,
     "Joseph Kexel": 62240,
     "Nimrod Y. U. Allen Iii": 16455
    }
   },
   {
    "year": 2016,
    "special": false,
    "runoff": false,
    "total": 2948741,
    "votes": {
     "Ron Johnson": 1479471,
     "Russ Feingold": 1380335,
     "Philip N. Anderson": 87531
    }
   },
   {
    "year": 2018,
    "special": false,
    "runoff": false,
    "total": 2657841,
    "votes": {
     "Tammy Baldwin": 1472914,
     "Leah Vukmir": 1184885
    }
   },
   {
    "year": 2022,
    "special": false,
    "runoff": false,
    "total": 2652477,
    "votes": {
     "Ron Johnson": 1337185,
     "Mandela Barnes": 1310467
    }
   },
   {
    "year": 2024,
    "special": false,
    "runoff": false,
    "total": 3390787,
    "votes": {
     "Tammy Baldwin": 1672777,
     "Eric Hovde": 1643996,
     "Phil Anderson": 42315,
     "Thomas Leager": 28751
    }
   }
  ],
  "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",
    "Tammy Baldwin (D) 49.3%",
    "Eric Hovde (R) 48.5%",
    "0.8 pts",
    "3,390,787"
   ],
   [
    "2022",
    "Ron Johnson (R) 50.4%",
    "Mandela Barnes (D) 49.4%",
    "1.0 pts",
    "2,652,477"
   ],
   [
    "2018",
    "Tammy Baldwin (D) 55.4%",
    "Leah Vukmir (R) 44.6%",
    "10.8 pts",
    "2,657,841"
   ],
   [
    "2016",
    "Ron Johnson (R) 50.2%",
    "Russ Feingold (D) 46.8%",
    "3.4 pts",
    "2,948,741"
   ],
   [
    "2012",
    "Tammy Baldwin (D) 51.4%",
    "Tommy G. Thompson (R) 45.9%",
    "5.5 pts",
    "3,009,411"
   ],
   [
    "2010",
    "Ron Johnson (R) 51.9%",
    "Russell D. Feingold (D) 47.0%",
    "4.8 pts",
    "2,171,331"
   ],
   [
    "2006",
    "Herb Kohl (D) 67.3%",
    "Robert Gerald Lorge (R) 29.5%",
    "37.8 pts",
    "2,138,297"
   ],
   [
    "2004",
    "Russel D. Feingold (D) 55.4%",
    "Tim Michels (R) 44.1%",
    "11.2 pts",
    "2,949,743"
   ],
   [
    "2000",
    "Herb Kohl (D) 61.5%",
    "John Gillespie (R) 37.0%",
    "24.5 pts",
    "2,540,083"
   ],
   [
    "1998",
    "Russell D. Feingold (D) 50.5%",
    "Mark W. Neumann (R) 48.4%",
    "2.1 pts",
    "1,760,836"
   ],
   [
    "1994",
    "Herb Kohl (D) 58.3%",
    "Robert T. Welch (R) 40.7%",
    "17.6 pts",
    "1,565,628"
   ],
   [
    "1992",
    "Russell D. Feingold (D) 52.6%",
    "Robert W. Kasten Jr. (R) 46.0%",
    "6.6 pts",
    "2,455,124"
   ],
   [
    "1988",
    "Herbert H. Kohl (D) 52.1%",
    "Susan Engeleiter (R) 47.5%",
    "4.5 pts",
    "2,168,190"
   ],
   [
    "1986",
    "Robert W. Kasten Jr. (R) 50.9%",
    "Edward R. Garvey (D) 47.4%",
    "3.5 pts",
    "1,483,174"
   ],
   [
    "1982",
    "William Proxmire (D) 63.6%",
    "Scott Mccallum (R) 34.1%",
    "29.5 pts",
    "1,544,883"
   ],
   [
    "1980",
    "Robert W. Kasten Jr. (R) 50.2%",
    "Gaylord A. Nelson (D) 48.3%",
    "1.9 pts",
    "2,204,202"
   ],
   [
    "1976",
    "William Proxmire (D) 72.2%",
    "Stanley York (R) 27.0%",
    "45.2 pts",
    "1,935,183"
   ]
  ]
 },
 "api": {
  "now": "/data/places/us-wi/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"
}