Washington ratified its constitution and held its first state elections in 1889, the year it was admitted to the union as a state. It established the positions of governor, lieutenant governor, Secretary of State, attorney general, state treasurer, state auditor, Commissioner of Public Lands, and Superintendent of Public Instruction. The position of insurance commissioner was legislatively established in 1907. All positions are elected to four-year terms, concurrent with presidential elections. Washington is one of three states that elects nine separate statewide officials, while six others elect ten.
The Washington State Senate elections were held on November 2, 2010, in which about half of the state's 49 legislative districts choose a state senator for a four-year term to the Washington State Senate. The other half of state senators are chosen in the next biennial election, so that about half of the senators, along with all the members of the Washington State House of Representatives, are elected every two years.
The 2012 Washington State Senate elections took place on November 6, 2012. Twenty-five of Washington's forty-nine state senators were elected. Each state legislative district has one senator elected to a four-year term, but state senate elections alternate so that about half of the senators are elected in presidential election years and the other half are elected in non-presidential even numbered election years. A top two primary election on August 7, 2012 determined which candidates appear on the November ballot. Candidates were allowed to self-declare a party preference.
The 2014 Washington State Senate elections is one of the biennial legislative elections in Washington took place on November 4, 2014. In this election, about half of the 49 legislative districts in Washington chose a state senator for a four-year term to the Washington State Senate. The other half of state senators were chosen in the next biennial election, so that about half of the senators are elected at a time: one group in presidential election years and the other in other even-numbered election years. All the members of the Washington State House of Representatives are elected concurrently with half of the senators every two years.
The 2018 United States Senate elections were held on November 6, 2018. Among the 100 seats, the 33 of Class 1 were contested in regular elections while 2 others were contested in special elections due to Senate vacancies in Minnesota and Mississippi. The regular election winners were elected to 6-year terms running from January 3, 2019, to January 3, 2025. Senate Democrats had 26 seats up for election, while Senate Republicans had 9 seats up for election.
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 2004 Iowa State Senate elections took place as part of the biennial 2004 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.
The 2000 Iowa State Senate elections took place as part of the biennial 2000 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 2000 is provided by the Iowa General Assembly here.
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 1996 Iowa State Senate elections took place as part of the biennial 1996 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 1996 is provided by the Iowa General Assembly here.
The 1994 Iowa State Senate elections took place as part of the biennial 1994 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 1994 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 1986 Iowa State Senate elections took place as part of the biennial 1986 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 1986 is provided by the Iowa General Assembly here.
The 1984 Iowa State Senate elections took place as part of the biennial 1984 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 1984 is provided by the Iowa General Assembly here.
The 1980 Iowa State Senate elections took place as part of the biennial 1980 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 1980 is provided by the Iowa General Assembly here.
The 1978 Iowa State Senate elections took place as part of the biennial 1978 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 1978 is provided by the Iowa General Assembly here.
The 1976 Iowa State Senate elections took place as part of the biennial 1976 United States elections. Iowa voters elected state senators in 28 of the state senate's districts—the 25 even-numbered state senate districts and special elections in districts 11, 15, and 41. 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 1976 is provided by the Iowa General Assembly here.
The 1972 Iowa State Senate elections took place as part of the biennial 1972 United States elections. Iowa voters elected state senators in all of the state senate's 50 districts—the 25 even-numbered seats were up for regularly-scheduled four-year terms and, due to the oddities of redistricting following the 1970 Census, the 25 odd-numbered seats were up for shortened two-year terms. State senators typically serve four-year terms in the Iowa State Senate, with half of the seats traditionally up for election each cycle. The decennial census and redistricting process causes one cycle each decade to be disrupted.
The 2020 Washington State Senate elections took place as part of the biennial 2020 United States elections. Washington voters elected state senators in 26 of the 49 state legislative districts. Elections to the Washington State Senate were held on November 3, 2020.
A general election was held in the U.S. state of Iowa on November 8, 2022. All of Iowa's executive officers were up for election, as well as a United States Senate seat, all four of Iowa's seats in the United States House of Representatives, 25 (half) of the seats in the Iowa Senate, and all 100 seats in the Iowa House of Representatives. Primary elections were held on June 7, 2022.