Mason-Dixon
Polls scored
378
319 races, 1998–2024
Lean
0.7 pts toward Republicans
95% range -1.3 to -0.1
Average miss
4.6 pts
on the D–R margin
Winner called
87%
Every scored poll
| Fieldwork ended | Race | Poll | Result | Miss | Workings |
|---|---|---|---|---|---|
| 2024-10-16 | 2024 President · South Dakota | R+26.0 | R+29.2 | +3.2 | autopsy |
| 2024-10-16 | 2024 House · South Dakota | R+37.0 | R+44.1 | +7.1 | autopsy |
| 2020-10-20 | 2020 President · SD | R+11.0 | R+26.2 | +15.2 | autopsy |
| 2020-10-14 | 2020 President · KY | R+17.0 | R+25.9 | +8.9 | autopsy |
| 2020-10-14 | 2020 Senate · KY | R+9.0 | R+19.5 | +10.5 | autopsy |
| 2019-11-06 | 2019 Governor · LA | D+2.0 | D+2.7 | -0.7 | autopsy |
| 2019-10-18 | 2019 Governor · MS | R+3.0 | R+5.1 | +2.1 | autopsy |
| 2018-10-30 | 2018 Governor · SD | R+3.0 | R+3.4 | +0.4 | autopsy |
| 2018-10-20 | 2018 Governor · SD | even | R+3.4 | +3.4 | autopsy |
| 2018-10-20 | 2018 House · SD-1 | R+23.0 | R+24.3 | +1.3 | autopsy |
| 2018-10-16 | 2018 Senate · MN | D+23.0 | D+24.1 | -1.1 | autopsy |
| 2018-10-16 | 2018 Senate · MN | D+6.0 | D+10.6 | -4.6 | autopsy |
| 2018-10-16 | 2018 Governor · MN | D+6.0 | D+11.4 | -5.4 | autopsy |
| 2016-10-25 | 2016 Governor · MO | D+1.0 | R+5.6 | +6.6 | autopsy |
| 2016-10-25 | 2016 Senate · MO | R+1.0 | R+2.8 | +1.8 | autopsy |
| 2016-10-25 | 2016 President · MO | R+5.0 | R+18.6 | +13.6 | autopsy |
| 2016-10-21 | 2016 President · MN | D+8.0 | D+1.5 | +6.5 | autopsy |
| 2016-10-19 | 2016 Senate · SD | R+38.0 | R+43.7 | +5.7 | autopsy |
| 2016-10-19 | 2016 President · SD | R+7.0 | R+29.8 | +22.8 | autopsy |
| 2016-10-19 | 2016 House · SD-1 | R+24.0 | R+28.2 | +4.2 | autopsy |
| 2016-10-18 | 2016 President · LA | R+20.0 | R+19.6 | -0.4 | autopsy |
| 2015-10-23 | 2015 Governor · MS | R+38.0 | R+33.9 | -4.1 | autopsy |
| 2014-10-22 | 2014 Senate · SD | R+9.0 | R+20.9 | +11.9 | autopsy |
| 2014-10-22 | 2014 Governor · SD | R+36.0 | R+45.0 | +9.0 | autopsy |
| 2014-10-22 | 2014 House · SD-1 | R+21.0 | R+33.1 | +12.1 | autopsy |
| 2014-10-21 | 2014 Senate · MN | D+9.0 | D+10.2 | -1.2 | autopsy |
| 2014-10-21 | 2014 Governor · MN | D+5.0 | D+5.6 | -0.6 | autopsy |
| 2012-10-31 | 2012 President · FL | R+6.0 | D+0.9 | -6.9 | autopsy |
| 2012-10-31 | 2012 Senate · FL | D+6.0 | D+13.0 | -7.0 | autopsy |
| 2012-10-30 | 2012 President · MT | R+10.0 | R+13.7 | +3.7 | autopsy |
| 2012-10-30 | 2012 Governor · MT | R+3.0 | D+1.6 | -4.6 | autopsy |
| 2012-10-30 | 2012 Senate · MT | R+4.0 | D+3.7 | -7.7 | autopsy |
| 2012-10-30 | 2012 House · MT-1 | R+11.0 | R+10.5 | -0.5 | autopsy |
| 2012-10-30 | 2012 House · UT-2 | R+27.0 | R+28.7 | +1.7 | autopsy |
| 2012-10-30 | 2012 House · UT-4 | R+12.0 | D+0.3 | -12.3 | autopsy |
| 2012-10-27 | 2012 President · ND | R+14.0 | R+19.6 | +5.6 | autopsy |
| 2012-10-27 | 2012 Governor · ND | R+34.0 | R+28.8 | -5.2 | autopsy |
| 2012-10-27 | 2012 Senate · ND | R+2.0 | D+0.9 | -2.9 | autopsy |
| 2012-10-27 | 2012 House · ND-1 | R+10.0 | R+13.2 | +3.2 | autopsy |
| 2012-10-24 | 2012 President · MN | D+3.0 | D+7.7 | -4.7 | autopsy |
| 2012-10-24 | 2012 President · MO | R+13.0 | R+9.4 | -3.6 | autopsy |
| 2012-10-24 | 2012 Governor · MO | D+6.0 | D+12.2 | -6.2 | autopsy |
| 2012-10-24 | 2012 Senate · MN | D+43.0 | D+34.7 | +8.3 | autopsy |
| 2012-10-24 | 2012 Senate · MO | D+2.0 | D+15.7 | -13.7 | autopsy |
| 2012-10-23 | 2012 Senate · FL | D+3.0 | D+13.0 | -10.0 | autopsy |
| 2012-10-16 | 2012 President · CT | D+7.0 | D+17.3 | -10.3 | autopsy |
| 2012-10-16 | 2012 President · WI | D+2.0 | D+6.8 | -4.8 | autopsy |
| 2012-10-16 | 2012 Senate · CT | even | D+12.5 | -12.5 | autopsy |
| 2012-10-16 | 2012 Senate · WI | D+2.0 | D+5.5 | -3.5 | autopsy |
| 2010-10-27 | 2010 Governor · GA | R+7.0 | R+10.0 | +3.0 | autopsy |
| 2010-10-27 | 2010 Senate · GA | R+23.0 | R+19.3 | -3.7 | autopsy |
| 2010-10-26 | 2010 Governor · FL | D+3.0 | R+1.1 | +4.1 | autopsy |
| 2010-10-26 | 2010 Governor · NV | R+16.0 | R+11.7 | -4.3 | autopsy |
| 2010-10-26 | 2010 Governor · UT | R+27.0 | R+32.2 | +5.2 | autopsy |
| 2010-10-26 | 2010 Senate · NV | R+4.0 | D+5.7 | -9.7 | autopsy |
| 2010-10-26 | 2010 Senate · UT | R+16.0 | R+28.8 | +12.8 | autopsy |
| 2010-10-26 | 2010 House · NV-3 | R+10.0 | R+0.7 | -9.3 | autopsy |
| 2010-10-26 | 2010 House · UT-1 | R+52.0 | R+45.3 | -6.7 | autopsy |
| 2010-10-26 | 2010 House · UT-2 | D+13.0 | D+4.4 | +8.6 | autopsy |
| 2010-10-26 | 2010 House · UT-3 | R+45.0 | R+49.4 | +4.4 | autopsy |
| 2010-10-21 | 2010 Governor · ID | R+22.0 | R+26.3 | +4.3 | autopsy |
| 2010-10-21 | 2010 Senate · ID | R+44.0 | R+46.2 | +2.2 | autopsy |
| 2010-10-21 | 2010 House · ID-1 | D+3.0 | R+9.7 | +12.7 | autopsy |
| 2010-10-21 | 2010 House · ID-2 | R+50.0 | R+44.4 | -5.6 | autopsy |
| 2010-10-20 | 2010 Governor · SD | R+19.0 | R+23.0 | +4.0 | autopsy |
| 2010-10-20 | 2010 House · SD-1 | R+2.0 | R+2.2 | +0.2 | autopsy |
| 2010-10-19 | 2010 Governor · IL | R+4.0 | D+0.9 | -4.9 | autopsy |
| 2010-10-19 | 2010 Senate · IL | R+2.0 | R+1.6 | -0.4 | autopsy |
| 2010-10-19 | 2010 Senate · MO | R+9.0 | R+13.6 | +4.6 | autopsy |
| 2010-10-18 | 2010 Senate · KY | R+5.0 | R+11.5 | +6.5 | autopsy |
| 2010-10-17 | 2010 Governor · AR | D+26.0 | D+30.8 | -4.8 | autopsy |
| 2010-10-17 | 2010 Senate · AR | R+21.0 | R+21.0 | -0.0 | autopsy |
| 2010-10-17 | 2010 House · KY-6 | D+4.0 | D+0.3 | +3.7 | autopsy |
| 2010-10-12 | 2010 Governor · VT | R+1.0 | D+1.8 | -2.8 | autopsy |
| 2010-10-12 | 2010 Senate · VT | D+35.0 | D+33.4 | +1.6 | autopsy |
| 2010-10-12 | 2010 House · VT-1 | D+36.0 | D+32.5 | +3.5 | autopsy |
| 2009-10-28 | 2009 Governor · VA | R+12.0 | R+17.4 | +5.4 | autopsy |
| 2008-10-29 | 2008 Senate · VA | D+31.0 | D+31.3 | -0.3 | autopsy |
| 2008-10-28 | 2008 President · CO | D+5.0 | D+9.0 | -4.0 | autopsy |
| 2008-10-28 | 2008 President · FL | D+2.0 | D+2.8 | -0.8 | autopsy |
| 2008-10-28 | 2008 President · KY | R+9.0 | R+16.2 | +7.2 | autopsy |
| 2008-10-28 | 2008 President · MO | R+1.0 | R+0.1 | -0.9 | autopsy |
| 2008-10-28 | 2008 President · NC | R+3.0 | D+0.3 | -3.3 | autopsy |
| 2008-10-28 | 2008 President · NV | D+4.0 | D+12.5 | -8.5 | autopsy |
| 2008-10-28 | 2008 President · OH | R+2.0 | D+4.6 | -6.6 | autopsy |
| 2008-10-28 | 2008 President · VA | D+3.0 | D+6.3 | -3.3 | autopsy |
| 2008-10-28 | 2008 Senate · CO | D+4.0 | D+10.3 | -6.3 | autopsy |
| 2008-10-28 | 2008 Senate · KY | R+5.0 | R+5.9 | +0.9 | autopsy |
| 2008-10-28 | 2008 Senate · NC | R+1.0 | D+8.5 | -9.5 | autopsy |
| 2008-10-28 | 2008 House · NV-2 | R+13.0 | R+10.4 | -2.6 | autopsy |
| 2008-10-28 | 2008 House · NV-3 | even | D+5.1 | -5.1 | autopsy |
| 2008-10-27 | 2008 President · AZ | R+4.0 | R+8.5 | +4.5 | autopsy |
| 2008-10-27 | 2008 President · MN | D+8.0 | D+10.2 | -2.2 | autopsy |
| 2008-10-27 | 2008 President · PA | D+4.0 | D+10.3 | -6.3 | autopsy |
| 2008-10-27 | 2008 Senate · MN | R+6.0 | even | -6.0 | autopsy |
| 2008-10-24 | 2008 President · MT | R+4.0 | R+2.3 | -1.7 | autopsy |
| 2008-10-24 | 2008 President · NC | even | D+0.3 | -0.3 | autopsy |
| 2008-10-24 | 2008 President · NH | D+11.0 | D+9.6 | +1.4 | autopsy |
| 2008-10-24 | 2008 President · UT | R+23.0 | R+28.2 | +5.2 | autopsy |
| 2008-10-24 | 2008 Governor · UT | R+56.0 | R+57.9 | +1.9 | autopsy |
| 2008-10-24 | 2008 House · UT-1 | R+25.0 | R+34.4 | +9.4 | autopsy |
| 2008-10-24 | 2008 House · UT-2 | D+27.0 | D+28.9 | -1.9 | autopsy |
| 2008-10-24 | 2008 House · UT-3 | R+35.0 | R+37.3 | +2.3 | autopsy |
| 2008-10-23 | 2008 Governor · NC | D+2.0 | D+3.4 | -1.4 | autopsy |
| 2008-10-23 | 2008 Senate · NC | R+4.0 | D+8.5 | -12.5 | autopsy |
| 2008-10-22 | 2008 President · GA | R+6.0 | R+5.2 | -0.8 | autopsy |
| 2008-10-22 | 2008 President · IA | D+11.0 | D+9.5 | +1.5 | autopsy |
| 2008-10-22 | 2008 President · MO | R+1.0 | R+0.1 | -0.9 | autopsy |
| 2008-10-22 | 2008 Senate · GA | R+6.0 | R+2.9 | -3.1 | autopsy |
| 2008-10-20 | 2008 President · FL | R+1.0 | D+2.8 | -3.8 | autopsy |
| 2008-10-20 | 2008 President · VA | D+2.0 | D+6.3 | -4.3 | autopsy |
| 2008-10-20 | 2008 Senate · VA | D+25.0 | D+31.3 | -6.3 | autopsy |
| 2008-10-16 | 2008 President · OH | R+1.0 | D+4.6 | -5.6 | autopsy |
| 2008-10-16 | 2008 President · WI | D+12.0 | D+13.9 | -1.9 | autopsy |
| 2008-10-16 | 2008 President · WV | R+6.0 | R+13.1 | +7.1 | autopsy |
| 2008-10-14 | 2008 President · SD | R+7.0 | R+8.4 | +1.4 | autopsy |
| 2008-10-14 | 2008 Senate · SD | D+23.0 | D+25.0 | -2.0 | autopsy |
| 2006-11-02 | 2006 Governor · MD | even | D+6.5 | -6.5 | autopsy |
| 2006-11-02 | 2006 Governor · TN | D+35.0 | D+38.9 | -3.9 | autopsy |
| 2006-11-02 | 2006 Senate · MD | D+3.0 | D+10.0 | -7.0 | autopsy |
| 2006-11-02 | 2006 Senate · MO | D+1.0 | D+2.3 | -1.3 | autopsy |
| 2006-11-02 | 2006 Senate · NJ | D+7.0 | D+16.0 | -9.0 | autopsy |
| 2006-11-02 | 2006 Senate · TN | R+12.0 | R+2.7 | -9.3 | autopsy |
| 2006-11-02 | 2006 Senate · VA | D+1.0 | D+0.4 | +0.6 | autopsy |
| 2006-11-01 | 2006 Governor · AZ | D+28.0 | D+27.1 | +0.9 | autopsy |
| 2006-11-01 | 2006 Governor · MI | D+14.0 | D+14.1 | -0.1 | autopsy |
| 2006-11-01 | 2006 Governor · OH | D+19.0 | D+23.9 | -4.9 | autopsy |
| 2006-11-01 | 2006 Governor · PA | D+18.0 | D+20.7 | -2.7 | autopsy |
| 2006-11-01 | 2006 Governor · RI | R+8.0 | R+2.0 | -6.0 | autopsy |
| 2006-11-01 | 2006 Senate · AZ | R+8.0 | R+9.8 | +1.8 | autopsy |
| 2006-11-01 | 2006 Senate · MI | D+16.0 | D+15.7 | +0.3 | autopsy |
| 2006-11-01 | 2006 Senate · MT | even | D+0.9 | -0.9 | autopsy |
| 2006-11-01 | 2006 Senate · OH | D+6.0 | D+12.3 | -6.3 | autopsy |
| 2006-11-01 | 2006 Senate · PA | D+13.0 | D+17.4 | -4.4 | autopsy |
| 2006-11-01 | 2006 Senate · RI | R+1.0 | D+7.0 | -8.0 | autopsy |
| 2006-11-01 | 2006 Senate · WA | D+16.0 | D+16.9 | -0.9 | autopsy |
| 2006-11-01 | 2006 House · MT-1 | R+24.0 | R+19.7 | -4.3 | autopsy |
| 2006-10-31 | 2006 Governor · FL | R+7.0 | R+7.1 | +0.1 | autopsy |
| 2006-10-31 | 2006 Senate · FL | D+24.0 | D+22.2 | +1.8 | autopsy |
| 2006-10-31 | 2006 Senate · UT | R+30.0 | R+31.3 | +1.3 | autopsy |
| 2006-10-31 | 2006 House · UT-1 | R+32.0 | R+30.6 | -1.4 | autopsy |
| 2006-10-31 | 2006 House · UT-2 | D+33.0 | D+21.7 | +11.3 | autopsy |
| 2006-10-31 | 2006 House · UT-3 | R+23.0 | R+25.5 | +2.5 | autopsy |
| 2006-10-30 | 2006 Governor · IL | D+4.0 | D+10.5 | -6.5 | autopsy |
| 2006-10-28 | 2006 Governor · MN | D+2.0 | R+1.0 | +3.0 | autopsy |
| 2006-10-28 | 2006 Governor · NV | R+4.0 | R+4.0 | +0.0 | autopsy |
| 2006-10-28 | 2006 Senate · MN | D+10.0 | D+20.1 | -10.1 | autopsy |
| 2006-10-28 | 2006 Senate · NV | R+17.0 | R+14.4 | -2.6 | autopsy |
| 2006-10-28 | 2006 House · NV-2 | R+8.0 | R+5.4 | -2.6 | autopsy |
| 2006-10-28 | 2006 House · NV-3 | R+7.0 | R+1.9 | -5.1 | autopsy |
| 2006-10-26 | 2006 Governor · GA | R+17.0 | R+19.7 | +2.7 | autopsy |
| 2006-10-25 | 2006 Governor · CO | D+12.0 | D+16.8 | -4.8 | autopsy |
| 2006-10-25 | 2006 Governor · SD | R+22.0 | R+25.6 | +3.6 | autopsy |
| 2006-10-25 | 2006 House · CO-5 | R+7.0 | R+19.3 | +12.3 | autopsy |
| 2006-10-25 | 2006 House · SD-1 | D+40.0 | D+39.8 | +0.2 | autopsy |
| 2006-10-24 | 2006 Governor · ID | R+1.0 | R+8.6 | +7.6 | autopsy |
| 2006-10-24 | 2006 House · ID-1 | R+2.0 | R+5.2 | +3.2 | autopsy |
| 2006-10-23 | 2006 House · VA-2 | R+2.0 | R+2.8 | +0.8 | autopsy |
| 2006-10-20 | 2006 Governor · PA | D+21.0 | D+20.7 | +0.3 | autopsy |
| 2006-10-20 | 2006 Senate · NJ | D+3.0 | D+16.0 | -13.0 | autopsy |
| 2006-10-20 | 2006 Senate · PA | D+12.0 | D+17.4 | -5.4 | autopsy |
| 2006-10-19 | 2006 Governor · OH | D+20.0 | D+23.9 | -3.9 | autopsy |
| 2006-10-19 | 2006 Governor · RI | R+10.0 | R+2.0 | -8.0 | autopsy |
| 2006-10-19 | 2006 Governor · TN | D+35.0 | D+38.9 | -3.9 | autopsy |
| 2006-10-19 | 2006 Senate · OH | D+8.0 | D+12.3 | -4.3 | autopsy |
| 2006-10-19 | 2006 Senate · RI | D+5.0 | D+7.0 | -2.0 | autopsy |
| 2006-10-19 | 2006 Senate · TN | R+2.0 | R+2.7 | +0.7 | autopsy |
| 2006-10-18 | 2006 Senate · MO | D+3.0 | D+2.3 | +0.7 | autopsy |
| 2006-10-18 | 2006 Senate · MT | D+3.0 | D+0.9 | +2.1 | autopsy |
| 2006-10-18 | 2006 Senate · VA | R+4.0 | D+0.4 | -4.4 | autopsy |
| 2006-10-18 | 2006 Senate · WA | D+15.0 | D+16.9 | -1.9 | autopsy |
| 2005-11-03 | 2005 Governor · VA | D+1.0 | D+5.7 | -4.7 | autopsy |
| 2005-10-19 | 2005 Governor · VA | R+2.0 | D+5.7 | -7.7 | autopsy |
| 2004-10-28 | 2004 President · AR | R+8.0 | R+9.8 | +1.8 | autopsy |
| 2004-10-28 | 2004 President · CO | R+7.0 | R+4.7 | -2.3 | autopsy |
| 2004-10-28 | 2004 President · FL | R+4.0 | R+5.0 | +1.0 | autopsy |
| 2004-10-28 | 2004 President · IA | R+5.0 | R+0.7 | -4.3 | autopsy |
| 2004-10-28 | 2004 President · MI | D+2.0 | D+3.4 | -1.4 | autopsy |
| 2004-10-28 | 2004 President · MN | R+1.0 | D+3.5 | -4.5 | autopsy |
| 2004-10-28 | 2004 President · MO | R+5.0 | R+7.2 | +2.2 | autopsy |
| 2004-10-28 | 2004 President · NH | D+1.0 | D+1.4 | -0.4 | autopsy |
| 2004-10-28 | 2004 President · NM | R+4.0 | R+0.8 | -3.2 | autopsy |
| 2004-10-28 | 2004 President · NV | R+6.0 | R+2.6 | -3.4 | autopsy |
| 2004-10-28 | 2004 President · OH | R+2.0 | R+2.1 | +0.1 | autopsy |
| 2004-10-28 | 2004 President · OR | D+6.0 | D+4.2 | +1.8 | autopsy |
| 2004-10-28 | 2004 President · PA | D+2.0 | D+2.5 | -0.5 | autopsy |
| 2004-10-28 | 2004 President · WI | D+2.0 | D+0.4 | +1.6 | autopsy |
| 2004-10-28 | 2004 President · WV | R+8.0 | R+12.9 | +4.9 | autopsy |
| 2004-10-27 | 2004 Senate · OH | R+38.0 | R+27.7 | -10.3 | autopsy |
| 2004-10-26 | 2004 President · OH | R+3.0 | R+2.1 | -0.9 | autopsy |
| 2004-10-26 | 2004 Senate · CO | even | D+4.8 | -4.8 | autopsy |
| 2004-10-26 | 2004 Senate · FL | R+1.0 | R+1.1 | +0.1 | autopsy |
| 2004-10-26 | 2004 Senate · NV | D+24.0 | D+25.9 | -1.9 | autopsy |
| 2004-10-26 | 2004 House · CO-7 | R+6.0 | R+11.9 | +5.9 | autopsy |
| 2004-10-26 | 2004 House · NV-3 | R+10.0 | R+14.1 | +4.1 | autopsy |
| 2004-10-25 | 2004 President · MD | D+11.0 | D+13.0 | -2.0 | autopsy |
| 2004-10-25 | 2004 President · NC | R+9.0 | R+12.4 | +3.4 | autopsy |
| 2004-10-25 | 2004 President · WA | D+5.0 | D+7.2 | -2.2 | autopsy |
| 2004-10-25 | 2004 Governor · NC | D+16.0 | D+12.7 | +3.3 | autopsy |
| 2004-10-25 | 2004 Governor · WA | D+5.0 | even | +5.0 | autopsy |
| 2004-10-25 | 2004 Senate · NC | D+0.3 | R+4.6 | +4.9 | autopsy |
| 2004-10-25 | 2004 Senate · WA | D+14.0 | D+12.2 | +1.8 | autopsy |
| 2004-10-24 | 2004 President · VA | R+6.0 | R+8.2 | +2.2 | autopsy |
| 2004-10-20 | 2004 President · SD | R+19.0 | R+21.5 | +2.5 | autopsy |
| 2004-10-20 | 2004 President · TN | R+12.0 | R+14.3 | +2.3 | autopsy |
| 2004-10-20 | 2004 Senate · PA | R+18.0 | R+10.6 | -7.4 | autopsy |
| 2004-10-20 | 2004 Senate · SD | D+2.0 | R+1.2 | +3.2 | autopsy |
| 2004-10-20 | 2004 House · SD-1 | D+4.0 | D+7.4 | -3.5 | autopsy |
| 2004-10-19 | 2004 President · MT | R+21.0 | R+20.5 | -0.5 | autopsy |
| 2004-10-19 | 2004 President · SC | R+13.0 | R+17.1 | +4.1 | autopsy |
| 2004-10-19 | 2004 Governor · MT | D+5.0 | D+4.4 | +0.6 | autopsy |
| 2004-10-19 | 2004 Senate · SC | R+4.0 | R+9.6 | +5.6 | autopsy |
| 2004-10-19 | 2004 House · MT-1 | R+35.0 | R+31.6 | -3.4 | autopsy |
| 2004-10-18 | 2004 President · MO | R+5.0 | R+7.2 | +2.2 | autopsy |
| 2004-10-18 | 2004 President · NC | R+8.0 | R+12.4 | +4.4 | autopsy |
| 2004-10-18 | 2004 Governor · NC | D+20.0 | D+12.7 | +7.3 | autopsy |
| 2004-10-18 | 2004 Senate · NC | even | R+4.6 | +4.6 | autopsy |
| 2004-10-17 | 2004 President · IA | R+6.0 | R+0.7 | -5.3 | autopsy |
| 2004-10-17 | 2004 President · MI | D+1.0 | D+3.4 | -2.4 | autopsy |
| 2004-10-17 | 2004 President · MN | R+2.0 | D+3.5 | -5.5 | autopsy |
| 2004-10-17 | 2004 President · NM | R+5.0 | R+0.8 | -4.2 | autopsy |
| 2004-10-17 | 2004 President · NV | R+10.0 | R+2.6 | -7.4 | autopsy |
| 2004-10-17 | 2004 President · OH | R+1.0 | R+2.1 | +1.1 | autopsy |
| 2004-10-17 | 2004 President · OR | D+1.0 | D+4.2 | -3.2 | autopsy |
| 2004-10-17 | 2004 President · PA | D+1.0 | D+2.5 | -1.5 | autopsy |
| 2004-10-17 | 2004 President · WI | even | D+0.4 | -0.4 | autopsy |
| 2004-10-17 | 2004 President · WV | R+5.0 | R+12.9 | +7.9 | autopsy |
| 2004-10-17 | 2004 Senate · NV | D+27.0 | D+25.9 | +1.1 | autopsy |
| 2004-10-17 | 2004 House · NV-3 | R+15.0 | R+14.1 | -0.9 | autopsy |
| 2004-10-15 | 2004 President · CO | R+6.0 | R+4.7 | -1.3 | autopsy |
| 2004-10-15 | 2004 President · FL | R+3.0 | R+5.0 | +2.0 | autopsy |
| 2004-10-15 | 2004 President · MO | R+5.0 | R+7.2 | +2.2 | autopsy |
| 2004-10-15 | 2004 President · NH | R+3.0 | D+1.4 | -4.4 | autopsy |
| 2004-10-15 | 2004 Senate · FL | even | R+1.1 | +1.1 | autopsy |
| 2004-05-11 | 2004 House · SD-1 | D+9.0 | D+1.1 | +7.9 | autopsy |
| 2003-11-05 | 2003 Governor · LA | R+5.0 | D+3.9 | -8.9 | autopsy |
| 2003-10-28 | 2003 Governor · MS | R+4.0 | R+6.8 | +2.8 | autopsy |
| 2002-12-03 | 2002 Senate · LA | D+2.0 | D+3.4 | -1.4 | autopsy |
| 2002-12-02 | 2002 House · LA-5 | R+8.0 | D+0.6 | -8.6 | autopsy |
| 2002-10-31 | 2002 Governor · MN | R+4.0 | R+7.9 | +3.9 | autopsy |
| 2002-10-31 | 2002 Governor · VT | D+10.0 | R+2.6 | +12.6 | autopsy |
| 2002-10-31 | 2002 Senate · MN | R+6.0 | R+2.2 | -3.8 | autopsy |
| 2002-10-30 | 2002 Governor · PA | D+17.0 | D+9.0 | +8.0 | autopsy |
| 2002-10-29 | 2002 Governor · FL | R+8.0 | R+12.9 | +4.8 | autopsy |
| 2002-10-29 | 2002 Governor · KS | D+7.0 | D+7.8 | -0.8 | autopsy |
| 2002-10-29 | 2002 Governor · MD | R+1.0 | R+3.9 | +2.9 | autopsy |
| 2002-10-28 | 2002 Governor · NM | D+14.0 | D+16.4 | -2.4 | autopsy |
| 2002-10-28 | 2002 Governor · SC | R+7.0 | R+5.8 | -1.2 | autopsy |
| 2002-10-28 | 2002 Senate · NM | R+33.0 | R+30.1 | -2.9 | autopsy |
| 2002-10-28 | 2002 Senate · NC | R+6.0 | R+8.6 | +2.6 | autopsy |
| 2002-10-28 | 2002 Senate · SC | R+17.0 | R+10.2 | -6.8 | autopsy |
| 2002-10-28 | 2002 House · NM-1 | R+8.0 | R+10.7 | +2.7 | autopsy |
| 2002-10-28 | 2002 House · NM-2 | R+5.0 | R+12.5 | +7.5 | autopsy |
| 2002-10-26 | 2002 Governor · SD | R+19.0 | R+14.8 | -4.2 | autopsy |
| 2002-10-26 | 2002 Senate · SD | D+2.0 | D+0.2 | +1.8 | autopsy |
| 2002-10-26 | 2002 House · SD-1 | R+5.0 | R+7.9 | +2.9 | autopsy |
| 2002-10-24 | 2002 Governor · VT | D+7.0 | R+2.6 | +9.6 | autopsy |
| 2002-10-23 | 2002 Senate · MT | D+31.0 | D+31.0 | -0.0 | autopsy |
| 2002-10-23 | 2002 House · MT-1 | R+28.0 | R+32.0 | +4.0 | autopsy |
| 2002-10-22 | 2002 Governor · IL | D+9.0 | D+7.1 | +1.9 | autopsy |
| 2002-10-22 | 2002 Governor · NV | R+44.0 | R+46.2 | +2.2 | autopsy |
| 2002-10-22 | 2002 Governor · OH | R+12.0 | R+19.5 | +7.5 | autopsy |
| 2002-10-22 | 2002 Governor · TN | D+3.0 | D+3.1 | -0.1 | autopsy |
| 2002-10-22 | 2002 Senate · IL | D+24.0 | D+22.3 | +1.7 | autopsy |
| 2002-10-22 | 2002 Senate · NJ | D+7.0 | D+9.9 | -2.9 | autopsy |
| 2002-10-22 | 2002 Senate · TN | R+10.0 | R+9.9 | -0.1 | autopsy |
| 2002-10-22 | 2002 House · NV-1 | D+13.0 | D+11.0 | +2.0 | autopsy |
| 2002-10-22 | 2002 House · NV-3 | R+10.0 | R+18.8 | +8.8 | autopsy |
| 2002-10-19 | 2002 Governor · FL | R+5.0 | R+12.9 | +7.8 | autopsy |
| 2002-10-16 | 2002 Governor · GA | D+9.0 | R+5.2 | +14.2 | autopsy |
| 2002-10-16 | 2002 Senate · GA | D+6.0 | R+6.8 | +12.8 | autopsy |
| 2002-10-15 | 2002 Governor · SC | R+4.0 | R+5.8 | +1.8 | autopsy |
| 2002-10-15 | 2002 Senate · SC | R+17.0 | R+10.2 | -6.8 | autopsy |
| 2001-10-30 | 2001 Governor · VA | D+6.0 | D+5.1 | +0.9 | autopsy |
| 2001-10-16 | 2001 Governor · VA | D+3.0 | D+5.1 | -2.1 | autopsy |
| 2000-11-02 | 2000 President · AL | R+17.0 | R+7.5 | -9.5 | autopsy |
| 2000-11-02 | 2000 President · KY | R+10.0 | R+15.1 | +5.1 | autopsy |
| 2000-11-02 | 2000 President · MS | R+11.0 | R+16.9 | +5.9 | autopsy |
| 2000-11-02 | 2000 President · OK | R+15.0 | R+21.9 | +6.9 | autopsy |
| 2000-11-02 | 2000 President · TN | R+4.0 | R+3.9 | -0.1 | autopsy |
| 2000-11-02 | 2000 President · TX | R+34.0 | R+21.3 | -12.7 | autopsy |
| 2000-11-02 | 2000 Senate · TN | R+32.0 | R+32.9 | +0.9 | autopsy |
| 2000-11-01 | 2000 President · NM | even | D+0.1 | -0.1 | autopsy |
| 2000-11-01 | 2000 President · OH | R+6.0 | R+3.5 | -2.5 | autopsy |
| 2000-11-01 | 2000 President · PA | D+3.0 | D+4.2 | -1.2 | autopsy |
| 2000-11-01 | 2000 Senate · NM | D+30.0 | D+23.4 | +6.6 | autopsy |
| 2000-11-01 | 2000 Senate · OH | R+24.0 | R+24.1 | +0.1 | autopsy |
| 2000-11-01 | 2000 Senate · PA | R+19.0 | R+6.9 | -12.1 | autopsy |
| 2000-10-31 | 2000 President · DE | R+4.0 | D+13.1 | -17.1 | autopsy |
| 2000-10-31 | 2000 Governor · DE | D+12.0 | D+19.5 | -7.5 | autopsy |
| 2000-10-31 | 2000 Senate · DE | even | D+11.8 | -11.8 | autopsy |
| 2000-10-31 | 2000 House · AR-4 | R+3.0 | D+1.9 | -4.9 | autopsy |
| 2000-10-30 | 2000 President · FL | R+2.0 | even | -2.0 | autopsy |
| 2000-10-30 | 2000 President · VA | R+8.0 | R+8.0 | +0.0 | autopsy |
| 2000-10-30 | 2000 Senate · FL | D+5.0 | D+4.9 | +0.1 | autopsy |
| 2000-10-30 | 2000 Senate · VA | R+5.0 | R+4.6 | -0.4 | autopsy |
| 2000-10-30 | 2000 House · MN-4 | D+12.0 | D+17.1 | -5.2 | autopsy |
| 2000-10-29 | 2000 President · IL | D+3.0 | D+12.0 | -9.0 | autopsy |
| 2000-10-29 | 2000 President · NC | R+7.0 | R+12.8 | +5.8 | autopsy |
| 2000-10-29 | 2000 President · SC | R+15.0 | R+16.0 | +1.0 | autopsy |
| 2000-10-29 | 2000 Governor · NC | D+7.0 | D+5.8 | +1.2 | autopsy |
| 2000-10-29 | 2000 House · CT-2 | D+1.0 | D+0.6 | +0.4 | autopsy |
| 2000-10-28 | 2000 President · AR | R+1.0 | R+5.4 | +4.4 | autopsy |
| 2000-10-27 | 2000 President · NV | R+4.0 | R+3.5 | -0.5 | autopsy |
| 2000-10-27 | 2000 Senate · NV | R+17.0 | R+15.4 | -1.6 | autopsy |
| 2000-10-26 | 2000 President · MN | D+3.0 | D+2.4 | +0.6 | autopsy |
| 2000-10-26 | 2000 Senate · MN | D+5.0 | D+5.5 | -0.5 | autopsy |
| 2000-10-25 | 2000 President · ID | R+26.0 | R+39.5 | +13.5 | autopsy |
| 2000-10-25 | 2000 President · MD | D+8.0 | D+16.3 | -8.3 | autopsy |
| 2000-10-25 | 2000 Senate · MD | D+29.0 | D+26.4 | +2.6 | autopsy |
| 2000-10-24 | 2000 President · VA | R+7.0 | R+8.0 | +1.0 | autopsy |
| 2000-10-24 | 2000 Senate · VA | R+3.0 | R+4.6 | +1.6 | autopsy |
| 2000-10-23 | 2000 President · MO | R+1.0 | R+3.3 | +2.3 | autopsy |
| 2000-10-23 | 2000 President · MT | R+12.0 | R+25.1 | +13.1 | autopsy |
| 2000-10-23 | 2000 Governor · MO | D+2.0 | D+0.9 | +1.1 | autopsy |
| 2000-10-23 | 2000 Governor · MT | D+2.0 | R+3.9 | +5.9 | autopsy |
| 2000-10-23 | 2000 Senate · MO | even | D+2.1 | -2.1 | autopsy |
| 2000-10-23 | 2000 Senate · MT | R+1.0 | R+3.3 | +2.3 | autopsy |
| 2000-10-23 | 2000 House · MT-1 | R+3.0 | R+5.2 | +2.2 | autopsy |
| 2000-10-21 | 2000 President · LA | R+13.0 | R+7.7 | -5.3 | autopsy |
| 2000-10-21 | 2000 House · FL-8 | D+5.0 | R+1.6 | +6.6 | autopsy |
| 2000-10-19 | 2000 Governor · VT | D+9.0 | D+12.5 | -3.5 | autopsy |
| 2000-10-18 | 2000 President · OH | R+4.0 | R+3.5 | -0.5 | autopsy |
| 2000-10-18 | 2000 President · VT | D+9.0 | D+9.9 | -0.9 | autopsy |
| 2000-10-18 | 2000 Senate · OH | R+23.0 | R+24.1 | +1.1 | autopsy |
| 2000-10-18 | 2000 Senate · VT | R+43.0 | R+40.1 | -2.9 | autopsy |
| 1999-10-18 | 1999 Governor · MS | R+5.0 | D+1.1 | -6.1 | autopsy |
| 1998-10-29 | 1998 Governor · HI | R+9.0 | D+1.3 | -10.3 | autopsy |
| 1998-10-29 | 1998 Governor · TX | R+44.0 | R+37.1 | -6.9 | autopsy |
| 1998-10-28 | 1998 Governor · NE | R+15.0 | R+7.9 | -7.1 | autopsy |
| 1998-10-27 | 1998 Governor · CA | D+7.0 | D+19.6 | -12.6 | autopsy |
| 1998-10-27 | 1998 Governor · CO | R+5.0 | R+0.6 | -4.4 | autopsy |
| 1998-10-27 | 1998 Governor · FL | R+8.0 | R+10.5 | +2.5 | autopsy |
| 1998-10-27 | 1998 Governor · GA | R+3.0 | D+8.4 | -11.4 | autopsy |
| 1998-10-27 | 1998 Governor · MD | D+4.0 | D+10.3 | -6.3 | autopsy |
| 1998-10-27 | 1998 Governor · NY | R+25.0 | R+14.1 | -10.9 | autopsy |
| 1998-10-27 | 1998 Governor · SC | R+2.0 | D+8.0 | -10.0 | autopsy |
| 1998-10-27 | 1998 Senate · CA | D+2.0 | D+10.0 | -8.0 | autopsy |
| 1998-10-27 | 1998 Senate · CO | R+26.0 | R+27.5 | +1.5 | autopsy |
| 1998-10-27 | 1998 Senate · FL | D+28.0 | D+24.9 | +3.1 | autopsy |
| 1998-10-27 | 1998 Senate · GA | R+13.0 | R+7.2 | -5.8 | autopsy |
| 1998-10-27 | 1998 Senate · NY | D+3.0 | D+14.2 | -11.2 | autopsy |
| 1998-10-27 | 1998 Senate · NC | R+1.0 | D+4.1 | -5.1 | autopsy |
| 1998-10-27 | 1998 Senate · SC | D+5.0 | D+7.0 | -2.0 | autopsy |
| 1998-10-26 | 1998 Governor · CT | R+25.0 | R+27.5 | +2.5 | autopsy |
| 1998-10-26 | 1998 Governor · IA | R+5.0 | D+5.8 | -10.8 | autopsy |
| 1998-10-26 | 1998 Governor · NV | R+3.0 | R+9.6 | +6.6 | autopsy |
| 1998-10-26 | 1998 Governor · OH | R+7.0 | R+5.4 | -1.6 | autopsy |
| 1998-10-26 | 1998 Governor · PA | R+36.0 | R+26.4 | -9.6 | autopsy |
| 1998-10-26 | 1998 Senate · CT | D+28.0 | D+32.8 | -4.8 | autopsy |
| 1998-10-26 | 1998 Senate · IN | D+25.0 | D+28.9 | -3.9 | autopsy |
| 1998-10-26 | 1998 Senate · IA | R+44.0 | R+37.9 | -6.1 | autopsy |
| 1998-10-26 | 1998 Senate · KY | D+1.0 | R+0.6 | +1.6 | autopsy |
| 1998-10-26 | 1998 Senate · NV | D+2.0 | D+0.1 | +1.9 | autopsy |
| 1998-10-26 | 1998 Senate · OH | R+18.0 | R+12.9 | -5.1 | autopsy |
| 1998-10-26 | 1998 Senate · PA | R+23.0 | R+26.6 | +3.6 | autopsy |
| 1998-10-26 | 1998 Senate · WA | D+8.0 | D+16.8 | -8.8 | autopsy |
| 1998-10-26 | 1998 House · NV-1 | D+4.0 | D+3.6 | +0.4 | autopsy |
| 1998-10-25 | 1998 Governor · AL | D+6.0 | D+15.6 | -9.6 | autopsy |
| 1998-10-25 | 1998 Governor · IL | R+11.0 | R+3.6 | -7.4 | autopsy |
| 1998-10-25 | 1998 Senate · AL | R+33.0 | R+26.6 | -6.5 | autopsy |
| 1998-10-25 | 1998 Senate · IL | R+8.0 | R+2.9 | -5.1 | autopsy |
| 1998-10-25 | 1998 House · CT-1 | D+34.0 | D+16.6 | +17.4 | autopsy |
| 1998-10-25 | 1998 House · NM-3 | D+3.0 | D+9.9 | -6.9 | autopsy |
| 1998-10-24 | 1998 Governor · MN | D+1.0 | R+6.2 | +7.2 | autopsy |
| 1998-10-24 | 1998 Governor · AR | R+25.0 | R+21.1 | -3.9 | autopsy |
| 1998-10-24 | 1998 Senate · AR | D+20.0 | D+12.8 | +7.2 | autopsy |
| 1998-10-24 | 1998 House · AR-2 | D+19.0 | D+15.9 | +3.1 | autopsy |
| 1998-10-20 | 1998 Governor · NM | R+4.0 | R+9.1 | +5.1 | autopsy |
| 1998-10-20 | 1998 House · MT-1 | R+15.0 | R+8.6 | -6.4 | autopsy |
| 1998-10-19 | 1998 Governor · MA | R+5.0 | R+3.4 | -1.6 | autopsy |
| 1998-10-18 | 1998 Governor · HI | R+15.0 | D+1.3 | -16.3 | autopsy |
| 1998-10-18 | 1998 House · HI-1 | D+14.0 | D+25.2 | -11.2 | autopsy |
| 1998-10-17 | 1998 Governor · FL | R+10.0 | R+10.5 | +0.5 | autopsy |
| 1998-10-17 | 1998 Senate · FL | D+26.0 | D+24.9 | +1.1 | autopsy |
| 1998-10-16 | 1998 Governor · MD | D+2.0 | D+10.3 | -8.3 | autopsy |
| 1998-10-16 | 1998 Senate · MD | D+41.0 | D+41.0 | -0.0 | autopsy |
| 1998-10-13 | 1998 Governor · NE | R+20.0 | R+7.9 | -12.1 | autopsy |