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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1984/US House/Illinois/IL-04
      1984·US House·Illinois·District profile →

      Illinois District 4 US House

      Winner
      REP
      George M O'Brien
      64.0%121,744 votes
      Runner-up
      DEM
      Dennis E Marlow
      36.0%68,547 votes
      Margin
      R+28.0
      190,291 total votes
      2 candidates190,291 total votes
      CandidatePartyVotes ▼%Vote Share
      George M O'BrienREP✓
      		REP121,74464.0%
      Dennis E MarlowDEM
      		DEM68,54736.0%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)D+28.3
      Shift vs 2020↓ R+18.1
      R+30EvenD+3020082012201620202024
      YearDem %Rep %MarginTurnout
      202463.3%35.0%D+28.3211,557
      202072.3%25.9%D+46.4242,543
      201672.4%21.7%D+50.7227,807
      201271.7%28.3%D+43.4186,690
      200870.8%27.7%D+43.1203,644

      Seat History

      US House in Illinois

      2024
      Jesús G. \ GarcíaDEM
      D+40.2
      2022
      Jesãšs G €œchuy” GarcãaDEM
      D+40.4
      Redistricted
      2020
      Jesus G \ GarciaDEM
      D+68.1
      2018
      Jesus \ GarciaDEM
      D+73.2
      2016
      Luis V GutierrezDEM
      D+100.0
      2014
      Luis V GutierrezDEM
      D+56.3
      2012
      Luis V GutierrezDEM
      D+66.0
      Redistricted
      2010
      Luis V GutierrezDEM
      D+63.0
      2008
      Luis V GutierrezDEM
      D+69.1
      2006
      Luis V GutierrezDEM
      D+71.7
      2004
      Luis V GutierrezDEM
      D+71.3
      2002
      Luis V GutierrezDEM
      D+64.6
      Redistricted
      2000
      Luis V GutierrezDEM
      D+88.6
      1998
      Luis V GutierrezDEM
      D+65.9
      1996
      Luis V GutierrezDEM
      D+93.6
      View all US House history for Illinois →

      Candidates

      George M O'BrienREP
      Record5W-0L
      Avg Margin---
      Career1976-1984
      US House
      Full profile →
      Dennis E MarlowDEM
      Record0W-1L
      Avg Margin---
      Career1984-1984
      US House
      Full profile →

      Also in Illinois, 1984

      President1 contest →US Senate1 contest →
      ← All 1984 US House races1984 overviewIllinois profileAll elections