Why It Matters
Sen. Jeff Merkley (D-OR) won reelection to the U.S. Senate on Nov. 3, defeating Republican state Sen. David Brock Smith and securing a fourth term in the seat he has held since 2009. The Associated Press called the race on election night. Oregon Public Broadcasting reported that Merkley would be well-positioned to chair the Senate Budget Committee if Democrats regained control of the chamber.
Democrats have now won control of both the House and Senate, ending Republican control of Congress and setting up a period of divided government under President Donald Trump. When the new Congress convenes in January, Democrats will gain control of congressional committees, giving them greater authority to investigate the administration, advance legislation and scrutinize executive actions. Merkley's seniority and Budget Committee membership could position him for an influential leadership role in the new Democratic majority.
The Result
Unofficial results from the Oregon secretary of state's general election results page, updated Nov. 4 at 4:15 a.m. Pacific time, showed Merkley with 864,411 votes to Smith's 619,239, a margin of 245,172 votes out of 1,527,987 total votes counted. Merkley received approximately 56.6% of the vote, compared with Smith's 40.5%, giving the incumbent a lead of approximately 16 percentage points. The total also included votes for Libertarian Gary Lyndon Dye, Progressive and Pacific Green candidate Chris Henry, and write-in candidates.
The Incumbent
According to Congress.gov, Merkley has served in the Senate since 2009, beginning with the 111th Congress, for about 17 years. His committee assignments include the Appropriations Committee, the Environment and Public Works Committee, the Budget Committee, the Rules and Administration Committee, and the Foreign Relations Committee. He serves as the ranking member of the Appropriations Subcommittee on Interior, Environment, and Related Agencies and the Environment and Public Works Subcommittee on Chemical Safety, Waste Management, Environmental Justice, and Regulatory Oversight. His assignments also include subcommittees addressing employment, workplace safety, primary health, and retirement security.
In the 119th Congress, Merkley sponsored several bills, including S. 1691, the Traveler Privacy Protection Act of 2025; S. 1668, the End Crypto Corruption Act of 2025; and S. 2110, the REUSE Act of 2025. He also introduced legislation seeking to prohibit unauthorized U.S. military action in Venezuela and cosponsored S. 5071, the Children's Safe Welcome Act.
Money
The fundraising gap between the two general-election nominees was one of the race's clearest financial contrasts. Through Oct. 14, Merkley reported $8,729,810 in cumulative receipts and $6,621,250 in cash on hand, while Smith reported $311,174 in receipts and $44,198 in cash on hand.
Reported outside spending associated with the race totaled $25,120, including $25,000 in Republican-side spending supporting Smith, all from REVIVE OREGON, and $120 in Democratic-side spending supporting Merkley, from GIVEGREEN UNITED ACTION. The reported spending was associated with the primary elections. Spending supporting Smith was approximately 208 times the amount supporting Merkley.
The Primaries
Merkley won the May 19 Democratic primary with approximately 93.2% of the vote, receiving 457,006 votes. Paul Wells finished second with 30,544 votes. The certified Democratic primary recorded 490,457 total votes, including write-ins.
Smith won the Republican primary in a seven-candidate field with approximately 29.5% of the vote, receiving 107,953 votes. Jo Rae Perkins finished second with 99,278 votes, or 27.1%, followed by Brent Barker with 85,229 votes, or 23.3%. Smith defeated Perkins by 8,675 votes, approximately 2.4 percentage points. The Republican primary recorded 366,201 total votes, including write-ins, or 124,256 fewer than the Democratic primary.
Campaign Context
Merkley emphasized his opposition to the Trump administration's immigration and tariff policies, as well as the war in Iran, and Smith even attempted to distance himself from Trump, saying he wouldn't be afraid to "push back" against the President's administration. Following his victory, Merkley criticized Trump and argued that Democrats should prioritize investments in health care, affordable housing, education, and jobs. In his election-night remarks, Merkley described the administration's approach as a "billionaires win, families lose" strategy and said he would keep fighting for policies that benefit working families.
Pre-Election Indicators
Major election forecasters consistently classified the seat as Solid Democratic before Election Day. The Cook Political Report rated the race Solid Democratic as of Feb. 11, 2025, while Inside Elections carried the same rating as of Oct. 29. The compiled consensus rating from Cook, Sabato's Crystal Ball, and Inside Elections was Solid Democratic as of Nov. 3.
The prediction market Kalshi showed contracts associated with Merkley at 99% and Smith at 1% as of Nov. 4, according to the supplied race data. Those figures reflected prediction-market pricing rather than polling and were recorded after the election. No independently verified final polling average was available.
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