The 2018 elections for the

Oregon Legislative Assembly The Oregon Legislative Assembly is the State legislature (United States), state legislature for the U.S. state of Oregon. The Legislative Assembly is bicameral, consisting of an upper house, upper and lower chamber: the Oregon State Senate, Sena ...

determined the composition of both houses for the 80th Oregon Legislative Assembly. The Republican and Democratic parties held primary elections on May 15, 2018, with general elections on November 6, 2018. As a result of the elections, the Democratic Party expanded its advantage in both houses of the state legislature. The party gained one seat in the

Oregon State Senate The Oregon State Senate is the upper house of the State legislature (United States), statewide legislature for the US state of Oregon. Along with the lower chamber Oregon House of Representatives it makes up the Oregon Legislative Assembly. Ther ...

and three seats in the

Oregon House of Representatives The Oregon House of Representatives is the lower house of the Oregon Legislative Assembly, the upper house being the Oregon State Senate. There are 60 members of the House, representing 60 districts across the state, each with a population of ...

, bringing its advantage over the Republican Party to 18–12 and 38–22, respectively. These gains gave the Democratic Party a 3/5 (or 60%)

supermajority A supermajority is a requirement for a proposal to gain a specified level of support which is greater than the threshold of one-half used for a simple majority. Supermajority rules in a democracy can help to prevent a majority from eroding fun ...

in both chambers for the 80th Oregon Legislative Assembly.

Oregon Senate

The 30 members of the

are elected to four-year terms, and only half of those seats (15) are up for election every two years. In addition to these 15 regular elections, there were two special elections to determine who would complete the four-year terms of senators who were replaced during the first half of their term. These 17 seats up for election were represented by 10 Democrats and seven Republicans. The Democrats decreased their advantage over Republicans from 18–12 to 17–13 in the 2016 election.

Predictions

Open seat

* In District 3, incumbent Republican

Alan DeBoer Alan W. DeBoer (born 1950/51) is an American businessman and Republican politician. He served as mayor of Ashland, Oregon from 2001 until 2004, and also served on the Ashland City Council and School Board. Political career DeBoer ran for the O ...

retired.

Results

Oregon House of Representatives

The 60 members of the

are elected to two-year terms, so all 60 seats were up for election. In this election, these seats were represented by 35 Democrats and 25 Republicans. The Democrats maintained their 35–25 advantage in the 2016 election.

Predictions

Open seats

* In District 6, incumbent Republican Sal Esquivel retired. * In District 11, incumbent Democrat Phil Barnhart retired. * In District 15, incumbent Republican

Andy Olson Andy Olson (born November 6, 1952) is a Republican politician from the U.S. state of Oregon. He served in the Oregon House of Representatives for District 15, representing parts of Linn and Benton counties, including the city of Albany. Ols ...

retired. * In District 32, incumbent Democrat Deborah Boone retired. * In District 39, incumbent Republican

Bill Kennemer Bill Kennemer (born 1946) is an American clinical psychologist and Oregon Republican Party, Republican politician who represented the Oregon's 20th Senate district, 20th district in the Oregon State Senate from 2021 to 2023. Kennemer previously ...

retired. * In District 53, incumbent Republican Gene Whisnant retired. * In District 54, incumbent Republican Knute Buehler retired to run for Oregon governor.

Results

References

{{2018 United States elections 2018 Oregon elections Oregon Legislative Assembly elections Oregon legislative

Oregon Senate

Predictions

Open seat

Results

Oregon House of Representatives

Predictions

Open seats

Results

See also

References