Those elected to the U.S. Senate in the 33 regular elections on November 3, 2020, will begin their six-year terms on January 3, 2021. Republican Martha McSally became the first Republican to lose a Senate race in Arizona since 1988 — only to then score an appointment to the state's other Senate seat. Maine is home to the most hotly contested Senate race in the country. Display excludes Arizona and Georgia seats with special elections in 2020. The U.S. Senate has 53 Republicans and 47 Democrats (including two independents). These battleground seats were selected by examining the results of the 2016 presidential election in the state, whether the incumbent was seeking re-election, and whether the incumbent was serving his or her first term in the Senate. As a 501(c)(3) nonprofit organization, your donations to Ballotpedia are fully tax-deductible to the extent of the law. Four Senate Races To Watch As The GOP Rushes To Fill RBG’s Seat By Nathaniel Rakich, Michael Tabb and Tony Chow. Cory Gardner is Republicans' most vulnerable … !function(){"use strict";window.addEventListener("message",(function(a){if(void 0!==a.data["datawrapper-height"])for(var e in a.data["datawrapper-height"]){var t=document.getElementById("datawrapper-chart-"+e)||document.querySelector("iframe[src*='"+e+"']");if(t)(t.style.height=a.data["datawrapper-height"][e]+"px")}}))}(); (function() { 'use strict'; window.addEventListener('message', function(event) { if (typeof event.data['datawrapper-height'] !== 'undefined') { for (var chartId in event.data['datawrapper-height']) { var iframe = document.getElementById('datawrapper-chart-' + chartId) || document.querySelector("iframe[src*='" + chartId + "']"); if (!iframe) { continue; } iframe.style.height = event.data['datawrapper-height'][chartId] + 'px'; } } });})(); 2020 Senate Elections: Consensus Forecast. List of U.S. Congress incumbents who are not running for re-election in 2020, Special elections to the 116th United States Congress (2019-2020), South Carolina's 1st Congressional District, Massachusetts' 5th Congressional District, North Carolina's 12th Congressional District, Pennsylvania's 2nd Congressional District, Montana's At-Large Congressional District, South Carolina's 5th Congressional District, Pennsylvania's 18th Congressional District, Pennsylvania's 7th Congressional District, Pennsylvania's 15th Congressional District, Ballotpedia's Polling Index: Congressional approval rating, United States House of Representatives elections, 2020, delaying the congressional candidate filing period, Ballot access for major and minor party candidates, Congressional incumbents not running for re-election, Cooperative of American Physicians IE Committee, https://ballotpedia.org/wiki/index.php?title=United_States_Senate_elections,_2020&oldid=8139979, Submit a photo, survey, video, conversation, or bio, Ballotpedia's Daily Presidential News Briefing, 3 (2 Democratic gains; 1 Republican gain), 3 (2 Republican gains; 1 Democratic gain), 21 (11 Democratic gains; 10 Republican gains), 9 (6 Republican gains; 3 Democratic gains), 04/21/2020 (offices with option to pay filing fee) &, 04/24/2020 (congressional and judicial offices) &, 06/24/2020 (declaration of candidacy due), 3% of votes cast for governor in the last election, 1% of votes cast in the last general election, 3% of total votes cast for governor in the last election, not to exceed 10,000, 1,000 signatures from each congressional district, 1% of voters eligible to vote for the office in the last election, 1% of voters or 25,000 voters, whichever is fewer, 0.5% of votes cast for the party's candidate for governor in 2018, 1% of annual salary plus administrative fees, 5% of total votes cast for successful candidate in the last general election, 2%-4% of votes cast for all of the party's gubernatorial candidates in the last primary, 3% of all votes cast for governor in the last election, 1.5% of all votes cast for governor in the last election, 1% of votes cast in the district for president, 1% of annual salary multiplied by term of office, 5% of active registered voters in the state, or 10,000, whichever is less, 1% of all votes cast for Democratic gubernatorial nominee in last election, 1% of all votes cast for Republican gubernatorial nominee in last election, 1% of all votes cast for governor in the last election, 12/9/2019 (declaration of intent); 6/25/2020 (final filing deadline), 1% of all votes cast in the last election for the office being sought, 2% of all votes cast for U.S. Representative in the last election. … Democrats held 45 seats following the election, and independents who caucus with Democrats held two. The following summer, Wyoming Sen. Lester Hunt (D) committed suicide and a Republican was appointed to replace him. She faces Democrat Mark Kelly, the husband of former Rep. Gabby Giffords (D-Ariz.) and a prolific fundraiser. Note that the below information is not comprehensive. A total of 33 of the 100 seats are up for regular election.

To break a tie, use the VP box on the interactive map to select the VP in 2021 (i.e., winning party in 2020 presidential election). Supreme Court Justice Ruth Bader Ginsburg died on September 18, 2020. The Democratic Senatorial Campaign Committee (DSCC) reported the following fundraising amounts for the 2019-20 election cycle: !function(){"use strict";window.addEventListener("message",function(a){if(void 0!==a.data["datawrapper-height"])for(var e in a.data["datawrapper-height"]){var t=document.getElementById("datawrapper-chart-"+e)||document.querySelector("iframe[src*='"+e+"']");if(t)(t.style.height=a.data["datawrapper-height"][e]+"px")}})}(); View other episodes. Trump, Dems Brace for Showdown Over Ginsburg Seat GOP Sen. Cory Gardner's reelection campaign has always been perilous in a state trending toward Democrats. Click here to contact us for media inquiries, and please donate here to support our continued expansion.

Tip: The width in the code can be adjusted to best fit your space. Twelve seats held by Democrats and 23 seats held by Republicans are up for election in 2020, including the Arizona special election and the Georgia special election. With the political conventions behind us and Labor Day approaching, it's the time of year when down-ballot elections start to kick into high gear.