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      Akashic HQ provides deep political data analysis covering 165 years of U.S. elections.

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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1978/US House/Washington/WA-04
      1978·US House·Washington·District profile →

      Washington District 4 US House

      Winner
      DEM
      Mike McCormack
      61.1%85,602 votes
      Runner-up
      REP
      Susan Roylance
      38.9%54,389 votes
      Margin
      D+22.3
      139,991 total votes
      2 candidates139,991 total votes
      CandidatePartyVotes ▼%Vote Share
      Mike McCormackDEM✓
      		DEM85,60261.1%
      Susan RoylanceREP
      		REP54,38938.9%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)R+20.6
      Shift vs 2020↓ R+3.6
      R+20EvenD+2020082012201620202024
      YearDem %Rep %MarginTurnout
      202438.1%58.7%R+20.6312,324
      202040.3%57.2%R+16.9323,034
      201635.6%57.3%R+21.7252,486
      201239.5%60.5%R+20.9241,664
      200839.9%57.8%R+17.8239,547

      Seat History

      US House in Washington

      2024
      Daniel NewhouseREP
      R+98.2
      2022
      Daniel NewhouseREP
      R+35.3
      Redistricted
      2020
      Daniel NewhouseREP
      R+32.6
      2018
      Daniel NewhouseREP
      R+25.6
      2016
      Daniel NewhouseREP
      R+100.0
      2014
      Daniel NewhouseREP
      R+100.0
      2012
      Doc HastingsREP
      R+32.4
      Redistricted
      2010
      Doc HastingsREP
      R+35.3
      2008
      Doc HastingsREP
      R+26.2
      2006
      Doc HastingsREP
      R+19.9
      2004
      Doc HastingsREP
      R+25.1
      2002
      Doc HastingsREP
      R+33.8
      Redistricted
      2000
      Doc HastingsREP
      R+23.7
      1998
      Doc HastingsREP
      R+44.7
      1996
      Doc HastingsREP
      R+5.9
      View all US House history for Washington →

      Candidates

      Mike McCormackDEM
      Record3W-1L
      Avg MarginD+39.4
      Career1968-1980
      US House / State Senate
      Full profile →
      Susan RoylanceREP
      Record0W-1L
      Avg Margin---
      Career1978-1978
      US House
      Full profile →
      ← All 1978 US House races1978 overviewWashington profileAll elections