OR-04 elected a Democrat in 2016.

D+15.8 on 397,568 certified votes. Below: the 2016 result and this district's margin across every cycle on record.

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OR-04 — 2016 result

Source: MIT Election Data + Science Lab, US House returns (party-classified by literal ballot party).

Democratic (D)

220,628

55.5%

Republican (R)

157,743

39.7%

All others

19,197

4.8%

Margin

D+15.8

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Margin history

OR-04 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	D	+7.8%	378,765
2022	D	+7.5%	339,077
2020	D	+5.3%	467,705
2018	D	+15.1%	372,893
2016	D	+15.8%	397,568
2014	D	+21.0%	310,179
2012	D	+20.1%	360,088
2010	D	+10.9%	298,052
2008	D	+82.3%	334,146
2006	D	+24.6%	290,244
2004	D	+23.4%	374,909
2002	D	+29.5%	263,481
2000	D	+37.5%	291,065
1998	D	+41.6%	224,637
1996	D	+37.3%	269,856
1994	D	+33.6%	238,149
1992	D	+42.8%	279,299
1990	D	+85.8%	189,352
1988	D	+44.0%	150,735
1986	D	+8.1%	195,548
1984	D	+16.3%	230,687
1982	D	+18.1%	195,524
1980	D	+9.6%	289,634
1978	D	+12.5%	221,766
1976	D	+14.9%	244,852