Political party strength in U.S. states is the level of representation of the various political parties in the United States in each statewide elective office providing legislators to the state and to the U.S. Congress and electing the executives at the state and national level.
The 2010 United States elections were held on Tuesday, November 2, 2010, in the middle of Democratic President Barack Obama's first term. Republicans ended unified Democratic control of Congress and the presidency by winning a majority in the House of Representatives and gained seats in the Senate despite Democrats holding Senate control.
The 2012 United States elections took place on November 6, 2012. Democratic President Barack Obama won reelection to a second term and the Democrats gained seats in both chambers of Congress, retaining control of the Senate even though the Republican Party retained control of the House of Representatives. As of 2024, this is the most recent election cycle in which neither the presidency nor a chamber of Congress changed partisan control, and the last time that the party that won the presidency simultaneously gained seats in both the House of Representatives and the Senate.
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 2016 United States elections were held on Tuesday, November 8, 2016. Republican nominee Donald Trump defeated Democratic former Secretary of State Hillary Clinton in the presidential election, while Republicans retained control of Congress. This marked the first and most recent time Republicans won or held unified control of the presidency and Congress since 2004.
The 2018 United States elections were held on Tuesday, November 6, 2018. These midterm elections occurred during Incumbent Republican President Donald Trump's term. Although the Republican Party increased its majority in the Senate, unified Republican control of Congress and the White House was brought to an end when the Democratic Party won control of the House of Representatives in what was widely characterized as a "blue wave" election.
The 2016 Washington State Senate elections is one of the biennial legislative elections in Washington 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. 25 seats are regularly scheduled to be up this cycle, along with 1 additional seat holding a special election to fill an unexpired term: the 36th district, currently held by appointed Senator Reuven Carlyle, whose former incumbent Jeanne Kohl-Welles vacated the seat.
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 Vermont Senate election took place as part of the biennial United States elections. Vermont voters elected State Senators in all 30 seats. State senators serve two-year terms in the Vermont Senate. A primary election on August 14, 2018, determined which candidates appeared on the November 6 general election ballot.
The 2018 Maine State Senate elections took place as part of the biennial United States elections. Maine voters elected state senators in all 35 of the state senate's districts. State senators serve two-year terms in the 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 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 Alaska Senate elections took place as part of the biennial 2020 United States elections. Voters in Alaska elected state senators in 11 of the state's 20 senate districts – the usual ten plus one special election. State senators serve four-year terms in the Alaska Senate, with half seats up for election every two years. Primary elections on August 18, 2020, determined which candidates appeared on the general election ballot on November 3, 2020.
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 Washington House of Representatives elections took place as part of the biennial United States elections on November 8, 2022. 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 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.
The 2016 Vermont Senate election took place as part of the biennial United States elections. Vermont voters elected State Senators in all 30 seats. State senators serve two-year terms in the Vermont Senate. The election coincided with elections for other offices including the Presidency, U.S. Senate, U.S. House, Governor, and State House. A primary election held on August 9, 2016 determined which candidates appeared on the November 6 general election ballot.
The 2014 Vermont Senate election took place as part of the biennial United States elections. Vermont voters elected State Senators in all 30 seats. State senators serve two-year terms in the Vermont Senate. The election coincided with elections for other offices including the U.S. House, Governor, and State House. A primary election held on August 26, 2014 determined which candidates appeared on the November 4 general election ballot.
