The 2014 United States Senate elections were held on November 4, 2014. A total of 36 seats in the 100-member U.S. Senate were contested. Thirty-three Class 2 seats were contested for regular six-year terms to be served from January 3, 2015, to January 3, 2021, and three Class 3 seats were contested in special elections due to Senate vacancies. The elections marked 100 years of direct elections of U.S. senators. Going into the elections, 21 of the contested seats were held by the Democratic Party, while 15 were held by the Republican Party.
The 2016 United States Senate elections were held on November 8, 2016. The presidential election, House elections, 14 gubernatorial elections, and many state and local elections were held concurrently.
The 2016 Washington gubernatorial election was held on November 8, 2016.
The 2020 United States Senate elections were held on November 3, 2020, with the 33 class 2 seats of the Senate contested in regular elections. Of these, 21 were held by Republicans, and 12 by Democrats. The winners were elected to 6-year terms from January 3, 2021, to January 3, 2027. Two special elections for seats held by Republicans were also held in conjunction with the general elections: one in Arizona, to fill the vacancy created by John McCain's death in 2018; and one in Georgia, following Johnny Isakson's resignation in 2019. These elections ran concurrently with the 2020 United States presidential election in which incumbent president Donald Trump lost to Democratic nominee Joe Biden.
The 2022 United States Senate elections were held on November 8, 2022, concurrently with other midterm elections at the federal, state and local levels. Regularly scheduled elections were held for 34 of the 100 seats in the U.S. Senate, the winners of which will serve six-year terms beginning with the 118th United States Congress. Two special elections were held to complete unexpired terms. While pundits considered the Republican Party a slight favorite to gain control of the Senate, Senate Democrats outperformed expectations and expanded the majority they had held since 2021, gaining one seat for a functioning 51–49 majority.
The 2022 United States Senate election in Arkansas was held on November 8, 2022, to elect a member to the United States Senate to represent the state of Arkansas. Incumbent senator John Boozman was first elected in 2010, defeating Democratic incumbent Blanche Lincoln. Boozman was re-elected for a second term in the 2016 with 59.8% of the vote and ran in 2022 for a third term. Boozman won the May 24, 2022 Republican primary with 58.03% of the vote and subsequently defeated Democrat Natalie James in the general election by 34.64 percentage points. This was the best performance for a Republican senator in the state's history, and the third consecutive Republican win of this seat.
United States gubernatorial elections were held on November 8, 2022, in 36 states and three territories. As most governors serve four-year terms, the last regular gubernatorial elections for all but two of the seats took place in 2018 U.S. gubernatorial elections. The gubernatorial elections took place concurrently with several other federal, state, and local elections, as part of the 2022 midterm elections.
The 2018 Georgia State Senate elections took place as part of the biennial United States elections. Georgia voters elected state senators in all 56 of the state senate's districts. State senators serve two-year terms in the Georgia State Senate.
The 2018 Colorado State Senate elections took place as part of the biennial United States elections. Colorado voters elected state senators in 17 of the 35 districts in the state senate. State senators serve four-year terms in the Colorado State Senate. The Colorado Reapportionment Commission provides a statewide map of the state Senate here, and individual district maps are available from the U.S. Census here.
The 2018 Nebraska State Legislature elections took place as part of the biennial United States elections. Nebraska voters elected state senators in the 24 even-numbered seats of the 49 legislative districts in the Nebraska Unicameral. Nebraska is unique among American| states in that there is only one chamber in its state legislature, and this chamber is called the Unicameral and the State Legislature interchangeably. State senators serve four-year terms in the Nebraska Unicameral.
The 2018 Alabama Senate elections took place on November 3, 2018, as part of the 2018 United States elections. Alabama voters elected state senators in all 35 of the state's Senate districts. State senators serve four-year terms in the Alabama Senate.
The 2018 Nevada Senate election took place as part of the biennial United States elections. Nevada voters elected state senators in 11 of the state senate's 21 districts. State senators serve four-year terms in the Nevada State Senate.
The 2020 Washington lieutenant gubernatorial election was held on November 3, 2020, to elect the lieutenant governor of Washington concurrently with the 2020 Washington elections. The top-two primary was held on August 4, and Democrats Denny Heck and Marko Liias advanced to the general election, which Heck won.
General elections were held in the U.S. state of Washington on November 3, 2020. A primary was held on August 4. This election cycle is notable as it was only the second in state history in which Democrats won the top three statewide elections by double digits. The first was the 1936 election, in the middle of the Great Depression. As of 2023, this was the last time Republicans won any statewide election in Washington.
The 1998 Iowa State Senate elections took place as part of the biennial 1998 United States elections. Iowa voters elected state senators in half of the state senate's districts—the 25 odd-numbered state senate districts. State senators serve four-year terms in the Iowa State Senate, with half of the seats up for election each cycle. A statewide map of the 50 state Senate districts in the year 1998 is provided by the Iowa General Assembly here.
The 1988 Iowa State Senate elections took place as part of the biennial 1988 United States elections. Iowa voters elected state senators in half of the state senate's districts—the 25 even-numbered state senate districts. State senators serve four-year terms in the Iowa State Senate, with half of the seats up for election each cycle. A statewide map of the 50 state Senate districts in the year 1988 is provided by the Iowa General Assembly here.
The 1970 Iowa State Senate elections took place as part of the biennial 1970 United States elections. Iowa voters elected state senators in 27 of the state senate's 50 districts. Due to redistricting following the amending of the Iowa Constitution in 1968 mandating single-member districts, the Iowa Senate downsized from 61 to 50 members following the 1970 election. State senators typically serve four-year terms in the Iowa State Senate.
The 2020 Washington House of Representatives elections took place as part of the biennial United States elections on November 3, 2020. Washington state voters elected state representatives in all 98 seats of the House, electing 2 state representatives in each of the 49 Washington state legislative districts. State representatives serve two-year terms in the Washington House of Representatives.
The 2022 Washington State Senate elections took place as part of the biennial United States elections. Washington state voters elected state senators in 25 of the state's 49 Senate districts. The other 24 state senators were not up for re-election until the next biennial election in 2024. State senators served four-year terms in the Washington State Senate.
The 2022 Alaska Senate elections took place on November 8, 2022, with the primary elections being held on August 16, 2022. State senators serve four-year terms in the Alaska Senate, with half of the seats normally up for election every two years. However, because most districts were greatly changed in redistricting, elections were held for 19 of the 20 seats; the only exception is District T, represented by Democrat Donny Olson, which was mostly unchanged in redistricting and thus did not have an election. Some senators were elected to serve four-year terms, while others would serve shortened two-year terms.
