The 2014 elections for the Oregon Legislative Assembly determined the composition of both houses of the state legislature for the 78th Oregon Legislative Assembly (2015–2016 term). The Republican and Democratic primary elections were held on May 20, 2014 with the general election following on November 4, 2014. The Democratic Party increased its 16-14 majority in the Senate to a supermajority of 18–12. In the House, the Democrats added one more seat and now holds a 35-25 majority.