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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2010/US House/South Carolina/SC-03
      2010·US House·South Carolina·District profile →

      South Carolina District 3 US House

      Winner
      REP
      Jeff Duncan
      62.5%126,235 votes
      Runner-up
      DEM
      Jane Ballard Dyer
      32.9%66,497 votes
      Margin
      R+29.6
      202,108 total votes
      5 candidates202,108 total votes
      CandidatePartyVotes ▼%Vote Share
      Jeff DuncanREP✓
      		REP126,23562.5%
      Jane Ballard DyerDEM
      		DEM66,49732.9%
      Jane Ballard DyerOTH
      		OTH6,5983.3%
      John DalenOTH
      		OTH2,6821.3%
      WriteinOTH
      		OTH960.1%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)R+43.1
      Shift vs 2020↓ R+5.6
      R+40R+20EvenD+20D+4020082012201620202024
      YearDem %Rep %MarginTurnout
      202427.8%70.9%R+43.1356,366
      202030.6%68.0%R+37.5348,346
      201629.1%66.9%R+37.8296,737
      201234.5%65.5%R+31.0270,984
      200832.5%65.6%R+33.1269,956

      Seat History

      US House in South Carolina

      2024
      Sheri BiggsREP
      R+46.4
      2022
      Jeff DuncanREP
      R+97.6
      Redistricted
      2020
      Jeff DuncanREP
      R+42.5
      2018
      Jeff DuncanREP
      R+36.8
      2016
      Jeff DuncanREP
      R+45.8
      2014
      Jeff DuncanREP
      R+42.4
      2012
      Jeff DuncanREP
      R+33.3
      Redistricted
      2008
      J Gresham BarrettREP
      R+29.5
      2006
      J Gresham BarrettREP
      R+25.8
      2004
      J Gresham BarrettREP
      R+99.5
      2002
      J Gresham BarrettREP
      R+35.9
      Redistricted
      2000
      Lindsey O GrahamREP
      R+38.5
      1998
      Lindsey O GrahamREP
      R+99.7
      1996
      Lindsey O GrahamREP
      R+21.6
      View all US House history for South Carolina →

      Candidates

      WriteinOTH
      Record0W-2660L
      Avg Margin---
      Career1976-2024
      US House / Governor
      Full profile →
      Jane Ballard DyerDEM
      Record0W-3L
      Avg Margin---
      Career2008-2010
      US House
      Full profile →
      Jeff DuncanREP
      Record11W-0L
      Avg MarginR+62.0
      Career2002-2022
      US House / State House
      Full profile →
      John DalenOTH
      Record0W-2L
      Avg MarginR+59.4
      Career2010-2012
      State House / US House
      Full profile →

      Also in South Carolina, 2010

      US Senate1 contest →Governor1 contest →
      ← All 2010 US House races2010 overviewSouth Carolina profileAll elections