Virginia — 1968 presidential election
Recent presidential results
Akashicstate1968 presidential electionVirginia · PresidentNixonR+10.9
How it voted
Share of the 1968 vote
| Richard Nixon ✓Republican | 43.4% | 590,319 |
|---|---|---|
| Hubert HumphreyDemocratic | 32.5% | 442,387 |
| OtherAll other candidates | 24.1% | 328,785 |
1968presidential margin
D+60R+60
130 counties, each filled by 1968 D-vs-R margin. Hover any county for its result.
Gold marks a county an independent or third-party candidate carried.
Virginia cast 12 electoral votes this cycle.
County-level results (130 counties) — table
| County | Winner | Margin |
|---|---|---|
| Accomack County, VA | Other / independent | R+8.3 |
| Albemarle County, VA | Republican | R+26.7 |
| Alexandria city, VA | Democratic | D+3.4 |
| Alleghany County, VA | Republican | R+14.4 |
| Amelia County, VA | Republican | R+1.1 |
| Amherst County, VA | Republican | R+16.7 |
| Appomattox County, VA | Republican | R+24.7 |
| Arlington County, VA | Republican | R+3.4 |
| Augusta County, VA | Republican | R+39.3 |
| Bath County, VA | Republican | R+19.9 |
| Bedford County, VA | Other / independent | R+16.7 |
| Bland County, VA | Republican | R+20.3 |
| Botetourt County, VA | Republican | R+25.8 |
| Bristol city, VA | Republican | R+9.1 |
| Brunswick County, VA | Other / independent | D+15.0 |
| Buchanan County, VA | Democratic | D+13.3 |
| Buckingham County, VA | Other / independent | R+1.3 |
| Buena Vista city, VA | Republican | R+25.7 |
| Campbell County, VA | Republican | R+29.2 |
| Caroline County, VA | Democratic | D+22.7 |
| Carroll County, VA | Republican | R+41.0 |
| Charles City County, VA | Democratic | D+58.0 |
| Charlotte County, VA | Other / independent | D+0.1 |
| Charlottesville city, VA | Republican | R+15.6 |
| Chesapeake city, VA | Other / independent | D+2.5 |
| Chesterfield County, VA | Republican | R+41.5 |
| Clarke County, VA | Republican | R+13.6 |
| Colonial Heights city, VA | Republican | R+36.9 |
| Covington city, VA | Republican | R+9.9 |
| Craig County, VA | Republican | R+12.9 |
| Culpeper County, VA | Republican | R+21.1 |
| Cumberland County, VA | Democratic | D+5.5 |
| Danville city, VA | Republican | R+13.6 |
| Dickenson County, VA | Republican | R+0.8 |
| Dinwiddie County, VA | Other / independent | D+1.9 |
| Emporia city, VA | Republican | R+7.1 |
| Essex County, VA | Democratic | D+4.9 |
| Fairfax city, VA | Republican | R+13.3 |
| Fairfax County, VA | Republican | R+10.8 |
| Falls Church city, VA | Republican | R+3.3 |
| Fauquier County, VA | Republican | R+11.5 |
| Floyd County, VA | Republican | R+44.1 |
| Fluvanna County, VA | Republican | R+16.0 |
| Franklin city, VA | Republican | R+7.0 |
| Franklin County, VA | Other / independent | R+12.2 |
| Frederick County, VA | Republican | R+28.0 |
| Fredericksburg city, VA | Republican | R+2.1 |
| Galax city, VA | Republican | R+22.0 |
| Giles County, VA | Republican | R+10.8 |
| Gloucester County, VA | Republican | R+9.4 |
| Goochland County, VA | Democratic | D+5.0 |
| Grayson County, VA | Republican | R+24.9 |
| Greene County, VA | Republican | R+38.8 |
| Greensville County, VA | Democratic | D+26.5 |
| Halifax County, VA | Other / independent | R+9.5 |
| Hampton city, VA | Democratic | D+2.4 |
| Hanover County, VA | Republican | R+30.8 |
| Harrisonburg city, VA | Republican | R+41.9 |
| Henrico County, VA | Republican | R+46.8 |
| Henry County, VA | Other / independent | D+1.5 |
| Highland County, VA | Republican | R+31.3 |
| Hopewell city, VA | Republican | R+20.4 |
| Isle of Wight County, VA | Other / independent | D+11.8 |
| James City County, VA | Democratic | D+1.9 |
| King and Queen County, VA | Democratic | D+15.1 |
| King George County, VA | Republican | R+4.5 |
| King William County, VA | Republican | R+11.6 |
| Lancaster County, VA | Republican | R+13.9 |
| Lee County, VA | Republican | R+3.7 |
| Lexington city, VA | Republican | R+20.9 |
| Loudoun County, VA | Republican | R+13.2 |
| Louisa County, VA | Republican | R+5.5 |
| Lunenburg County, VA | Other / independent | R+0.02 |
| Lynchburg city, VA | Republican | R+30.8 |
| Madison County, VA | Republican | R+29.1 |
| Martinsville city, VA | Democratic | D+1.5 |
| Mathews County, VA | Republican | R+22.3 |
| Mecklenburg County, VA | Other / independent | R+0.9 |
| Middlesex County, VA | Republican | R+11.5 |
| Montgomery County, VA | Republican | R+38.1 |
| Nelson County, VA | Other / independent | R+0.3 |
| New Kent County, VA | Democratic | D+12.6 |
| Newport News city, VA | Democratic | D+1.6 |
| Norfolk city, VA | Democratic | D+9.4 |
| Northampton County, VA | Democratic | D+0.2 |
| Northumberland County, VA | Republican | R+10.3 |
| Norton city, VA | Democratic | D+4.7 |
| Nottoway County, VA | Other / independent | R+1.8 |
| Orange County, VA | Republican | R+23.2 |
| Page County, VA | Republican | R+22.7 |
| Patrick County, VA | Republican | R+20.5 |
| Petersburg city, VA | Democratic | D+18.3 |
| Pittsylvania County, VA | Other / independent | D+1.7 |
| Portsmouth city, VA | Democratic | D+16.9 |
| Powhatan County, VA | Democratic | D+10.6 |
| Prince Edward County, VA | Republican | R+6.2 |
| Prince George County, VA | Other / independent | R+6.0 |
| Prince William County, VA | Republican | R+12.7 |
| Pulaski County, VA | Republican | R+23.1 |
| Radford city, VA | Republican | R+23.2 |
| Rappahannock County, VA | Republican | R+14.7 |
| Richmond city, VA | Democratic | D+9.7 |
| Richmond County, VA | Republican | R+25.2 |
| Roanoke city, VA | Republican | R+20.3 |
| Roanoke County, VA | Republican | R+40.4 |
| Rockbridge County, VA | Republican | R+35.7 |
| Rockingham County, VA | Republican | R+48.4 |
| Russell County, VA | Republican | R+3.4 |
| Salem city, VA | Republican | R+37.8 |
| Scott County, VA | Republican | R+22.0 |
| Shenandoah County, VA | Republican | R+43.9 |
| Smyth County, VA | Republican | R+27.3 |
| Southampton County, VA | Other / independent | D+8.1 |
| Spotsylvania County, VA | Republican | R+0.6 |
| Stafford County, VA | Republican | R+13.5 |
| Staunton city, VA | Republican | R+37.5 |
| Suffolk city, VA | Democratic | D+13.7 |
| Surry County, VA | Democratic | D+25.5 |
| Sussex County, VA | Democratic | D+11.5 |
| Tazewell County, VA | Democratic | D+2.6 |
| Virginia Beach city, VA | Republican | R+16.5 |
| Warren County, VA | Republican | R+14.8 |
| Washington County, VA | Republican | R+26.3 |
| Waynesboro city, VA | Republican | R+34.5 |
| Westmoreland County, VA | Republican | R+7.0 |
| Williamsburg city, VA | Republican | R+6.7 |
| Winchester city, VA | Republican | R+27.6 |
| Wise County, VA | Democratic | D+7.4 |
| Wythe County, VA | Republican | R+26.9 |
| York County, VA | Other / independent | R+10.8 |
Virginia results by county
130 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Accomack County | Other+252 | 3,23135.2% | 2,46726.9% | 3,48337.9% | 9,181 |
| Albemarle County | Richard Nixon+2,257 | 4,51253.5% | 2,25526.7% | 1,67419.8% | 8,441 |
| Alexandria city | Hubert Humphrey+1,086 | 13,26541.7% | 14,35145.1% | 4,20013.2% | 31,816 |
| Alleghany County | Richard Nixon+852 | 2,57443.5% | 1,72229.1% | 1,61927.4% | 5,915 |
| Amelia County | Richard Nixon+16 | 85733.9% | 83032.8% | 84133.3% | 2,528 |
| Amherst County | Richard Nixon+181 | 2,65639.8% | 1,54323.1% | 2,47537.1% | 6,674 |
| Appomattox County | Richard Nixon+225 | 1,75343.4% | 75618.7% | 1,52837.8% | 4,037 |
| Arlington County | Richard Nixon+2,056 | 28,16345.9% | 26,10742.6% | 7,05611.5% | 61,326 |
| Augusta County | Richard Nixon+3,754 | 6,31357.9% | 2,02818.6% | 2,55923.5% | 10,900 |
| Bath County | Richard Nixon+341 | 87246.0% | 49426.0% | 53128.0% | 1,897 |
| Bedford County | Other+369 | 3,85437.7% | 2,14321.0% | 4,22341.3% | 10,220 |
| Bland County | Richard Nixon+378 | 93850.4% | 56030.1% | 36419.5% | 1,862 |
| Botetourt County | Richard Nixon+1,326 | 2,59850.5% | 1,27224.7% | 1,27024.7% | 5,140 |
| Bristol city | Richard Nixon+399 | 1,93044.1% | 1,53135.0% | 91620.9% | 4,377 |
| Brunswick County | Other+188 | 1,13922.1% | 1,91037.1% | 2,09840.8% | 5,147 |
| Buchanan County | Hubert Humphrey+1,304 | 3,69937.7% | 5,00351.0% | 1,11411.3% | 9,816 |
| Buckingham County | Other+166 | 1,02732.1% | 98430.7% | 1,19337.2% | 3,204 |
| Buena Vista city | Richard Nixon+355 | 81449.0% | 38723.3% | 45927.7% | 1,660 |
| Campbell County | Richard Nixon+647 | 5,73144.7% | 1,99615.6% | 5,08439.7% | 12,811 |
| Caroline County | Hubert Humphrey+1,003 | 1,16226.3% | 2,16548.9% | 1,09924.8% | 4,426 |
| Carroll County | Richard Nixon+3,136 | 4,90964.2% | 1,77323.2% | 96912.7% | 7,651 |
| Charles City County | Hubert Humphrey+1,137 | 32016.3% | 1,45774.3% | 1839.3% | 1,960 |
| Charlotte County | Other+1,133 | 1,04224.4% | 1,04524.5% | 2,17851.1% | 4,265 |
| Charlottesville city | Richard Nixon+1,770 | 5,60149.4% | 3,83133.8% | 1,90316.8% | 11,335 |
| Chesapeake city | Other+4,840 | 6,23425.2% | 6,84327.6% | 11,68347.2% | 24,760 |
| Chesterfield County | Richard Nixon+10,453 | 22,01556.0% | 5,71514.5% | 11,56229.4% | 39,292 |
| Clarke County | Richard Nixon+359 | 1,12742.6% | 76829.0% | 74928.3% | 2,644 |
| Colonial Heights city | Richard Nixon+537 | 2,65049.0% | 65012.0% | 2,11339.0% | 5,413 |
| Covington city | Richard Nixon+356 | 1,55143.1% | 1,19533.2% | 84923.6% | 3,595 |
| Craig County | Richard Nixon+162 | 58146.2% | 41933.3% | 25820.5% | 1,258 |
| Culpeper County | Richard Nixon+990 | 2,22947.5% | 1,23926.4% | 1,22626.1% | 4,694 |
| Cumberland County | Hubert Humphrey+134 | 84434.7% | 97840.2% | 61025.1% | 2,432 |
| Danville city | Richard Nixon+1,213 | 6,79640.3% | 4,49526.6% | 5,58333.1% | 16,874 |
| Dickenson County | Richard Nixon+57 | 3,41246.0% | 3,35545.2% | 6488.7% | 7,415 |
| Dinwiddie County | Other+704 | 1,45127.6% | 1,55129.5% | 2,25542.9% | 5,257 |
| Emporia city | Richard Nixon+90 | 81237.1% | 65730.0% | 72233.0% | 2,191 |
| Essex County | Hubert Humphrey+106 | 79136.6% | 89741.5% | 47622.0% | 2,164 |
| Fairfax city | Richard Nixon+810 | 2,96348.7% | 2,15335.4% | 96815.9% | 6,084 |
| Fairfax County | Richard Nixon+12,666 | 57,46249.0% | 44,79638.2% | 15,06112.8% | 117,319 |
| Falls Church city | Richard Nixon+145 | 2,00545.8% | 1,86042.4% | 51711.8% | 4,382 |
| Fauquier County | Richard Nixon+746 | 2,84543.8% | 2,09932.3% | 1,55724.0% | 6,501 |
| Floyd County | Richard Nixon+1,560 | 2,27564.3% | 71520.2% | 54715.5% | 3,537 |
| Fluvanna County | Richard Nixon+250 | 91342.6% | 56926.5% | 66330.9% | 2,145 |
| Franklin city | Richard Nixon+159 | 95142.2% | 79235.1% | 51322.7% | 2,256 |
| Franklin County | Other+211 | 3,03636.5% | 2,02524.4% | 3,24739.1% | 8,308 |
| Frederick County | Richard Nixon+1,550 | 3,69649.6% | 1,61221.6% | 2,14628.8% | 7,454 |
| Fredericksburg city | Richard Nixon+106 | 2,14242.3% | 2,03640.2% | 89017.6% | 5,068 |
| Galax city | Richard Nixon+509 | 1,25754.4% | 74832.4% | 30413.2% | 2,309 |
| Giles County | Richard Nixon+677 | 2,72243.4% | 2,04532.6% | 1,51024.1% | 6,277 |
| Gloucester County | Richard Nixon+84 | 1,61937.1% | 1,21027.7% | 1,53535.2% | 4,364 |
| Goochland County | Hubert Humphrey+173 | 1,21635.1% | 1,38940.1% | 85624.7% | 3,461 |
| Grayson County | Richard Nixon+1,637 | 3,56354.1% | 1,92629.2% | 1,09816.7% | 6,587 |
| Greene County | Richard Nixon+418 | 85655.3% | 25516.5% | 43828.3% | 1,549 |
| Greensville County | Hubert Humphrey+98 | 52916.7% | 1,36743.2% | 1,26940.1% | 3,165 |
| Halifax County | Other+1,006 | 3,93233.6% | 2,81924.1% | 4,93842.2% | 11,689 |
| Hampton city | Hubert Humphrey+542 | 10,53232.3% | 11,30834.7% | 10,76633.0% | 32,606 |
| Hanover County | Richard Nixon+2,082 | 5,42550.0% | 2,07919.2% | 3,34330.8% | 10,847 |
| Harrisonburg city | Richard Nixon+1,823 | 2,85965.7% | 1,03623.8% | 45710.5% | 4,352 |
| Henrico County | Richard Nixon+22,298 | 34,21262.5% | 8,60015.7% | 11,91421.8% | 54,726 |
| Henry County | Other+2,928 | 3,94625.9% | 4,17527.4% | 7,10346.7% | 15,224 |
| Highland County | Richard Nixon+335 | 61957.9% | 28426.6% | 16615.5% | 1,069 |
| Hopewell city | Richard Nixon+709 | 2,94243.6% | 1,56823.3% | 2,23333.1% | 6,743 |
| Isle of Wight County | Other+369 | 1,31223.3% | 1,97735.1% | 2,34641.6% | 5,635 |
| James City County | Hubert Humphrey+78 | 1,44335.5% | 1,52137.4% | 1,10127.1% | 4,065 |
| King and Queen County | Hubert Humphrey+259 | 56827.4% | 88242.5% | 62330.1% | 2,073 |
| King George County | Richard Nixon+99 | 82937.8% | 73033.3% | 63629.0% | 2,195 |
| King William County | Richard Nixon+282 | 1,04643.0% | 76431.4% | 62125.5% | 2,431 |
| Lancaster County | Richard Nixon+506 | 1,64044.9% | 1,13431.1% | 87624.0% | 3,650 |
| Lee County | Richard Nixon+345 | 4,45047.3% | 4,10543.7% | 8449.0% | 9,399 |
| Lexington city | Richard Nixon+436 | 1,17056.1% | 73435.2% | 1818.7% | 2,085 |
| Loudoun County | Richard Nixon+1,315 | 4,57745.9% | 3,26232.7% | 2,13121.4% | 9,970 |
| Louisa County | Richard Nixon+220 | 1,51038.1% | 1,29032.5% | 1,16429.4% | 3,964 |
| Lunenburg County | Other+470 | 1,18129.4% | 1,18029.4% | 1,65141.2% | 4,012 |
| Lynchburg city | Richard Nixon+5,638 | 9,94354.3% | 4,30523.5% | 4,05122.1% | 18,299 |
| Madison County | Richard Nixon+415 | 1,18848.7% | 47819.6% | 77331.7% | 2,439 |
| Martinsville city | Hubert Humphrey+109 | 2,61836.0% | 2,72737.5% | 1,93126.5% | 7,276 |
| Mathews County | Richard Nixon+532 | 1,30947.1% | 69124.9% | 77728.0% | 2,777 |
| Mecklenburg County | Other+1,311 | 2,75029.0% | 2,66728.1% | 4,06142.8% | 9,478 |
| Middlesex County | Richard Nixon+151 | 80939.6% | 57528.2% | 65832.2% | 2,042 |
| Montgomery County | Richard Nixon+4,398 | 7,09861.5% | 2,70023.4% | 1,74915.1% | 11,547 |
| Nelson County | Other+46 | 1,13033.0% | 1,12032.7% | 1,17634.3% | 3,426 |
| New Kent County | Hubert Humphrey+152 | 52627.6% | 76540.2% | 61332.2% | 1,904 |
| Newport News city | Hubert Humphrey+596 | 12,77434.5% | 13,37036.1% | 10,92529.5% | 37,069 |
| Norfolk city | Hubert Humphrey+6,175 | 22,30233.9% | 28,47743.3% | 15,05022.9% | 65,829 |
| Northampton County | Hubert Humphrey+8 | 1,41035.5% | 1,41835.7% | 1,14628.8% | 3,974 |
| Northumberland County | Richard Nixon+361 | 1,43841.2% | 1,07730.8% | 97728.0% | 3,492 |
| Norton city | Hubert Humphrey+60 | 49539.1% | 55543.8% | 21717.1% | 1,267 |
| Nottoway County | Other+73 | 1,61433.4% | 1,52931.7% | 1,68734.9% | 4,830 |
| Orange County | Richard Nixon+672 | 1,72747.2% | 87924.0% | 1,05528.8% | 3,661 |
| Page County | Richard Nixon+1,542 | 3,66753.9% | 2,12531.3% | 1,00814.8% | 6,800 |
| Patrick County | Richard Nixon+204 | 2,18741.5% | 1,10520.9% | 1,98337.6% | 5,275 |
| Petersburg city | Hubert Humphrey+2,041 | 3,47831.1% | 5,51949.4% | 2,17219.4% | 11,169 |
| Pittsylvania County | Other+3,940 | 5,09625.6% | 5,42727.3% | 9,36747.1% | 19,890 |
| Portsmouth city | Hubert Humphrey+3,489 | 9,40225.2% | 15,73442.1% | 12,24532.8% | 37,381 |
| Powhatan County | Hubert Humphrey+67 | 72227.1% | 1,00437.7% | 93735.2% | 2,663 |
| Prince Edward County | Richard Nixon+290 | 1,85739.8% | 1,56733.6% | 1,24226.6% | 4,666 |
| Prince George County | Other+371 | 1,55932.7% | 1,27226.7% | 1,93040.5% | 4,761 |
| Prince William County | Richard Nixon+2,378 | 7,94442.5% | 5,56629.8% | 5,17627.7% | 18,686 |
| Pulaski County | Richard Nixon+1,912 | 4,40953.3% | 2,49730.2% | 1,35916.4% | 8,265 |
| Radford city | Richard Nixon+871 | 2,07755.4% | 1,20632.2% | 46612.4% | 3,749 |
| Rappahannock County | Richard Nixon+200 | 59443.6% | 39428.9% | 37527.5% | 1,363 |
| Richmond city | Hubert Humphrey+6,477 | 26,38039.6% | 32,85749.3% | 7,43111.1% | 66,668 |
| Richmond County | Richard Nixon+443 | 1,01148.9% | 49023.7% | 56827.5% | 2,069 |
| Roanoke city | Richard Nixon+6,087 | 15,36851.2% | 9,28130.9% | 5,35917.9% | 30,008 |
| Roanoke County | Richard Nixon+7,656 | 12,43958.9% | 3,90218.5% | 4,78322.6% | 21,124 |
| Rockbridge County | Richard Nixon+1,391 | 2,28056.8% | 84521.1% | 88922.1% | 4,014 |
| Rockingham County | Richard Nixon+5,668 | 7,77966.4% | 2,11118.0% | 1,82515.6% | 11,715 |
| Russell County | Richard Nixon+304 | 3,85843.5% | 3,55440.1% | 1,46016.5% | 8,872 |
| Salem city | Richard Nixon+2,433 | 3,95557.8% | 1,36920.0% | 1,52222.2% | 6,846 |
| Scott County | Richard Nixon+2,201 | 5,34553.5% | 3,14431.5% | 1,49515.0% | 9,984 |
| Shenandoah County | Richard Nixon+3,807 | 5,46162.9% | 1,65419.1% | 1,56618.0% | 8,681 |
| Smyth County | Richard Nixon+2,666 | 5,29754.3% | 2,63127.0% | 1,82318.7% | 9,751 |
| Southampton County | Other+280 | 1,37626.1% | 1,80334.3% | 2,08339.6% | 5,262 |
| Spotsylvania County | Richard Nixon+28 | 1,67534.0% | 1,64733.4% | 1,60432.6% | 4,926 |
| Stafford County | Richard Nixon+360 | 2,57239.7% | 1,69826.2% | 2,21234.1% | 6,482 |
| Staunton city | Richard Nixon+2,705 | 4,43461.4% | 1,72923.9% | 1,05814.7% | 7,221 |
| Suffolk city | Hubert Humphrey+416 | 3,37825.2% | 5,21838.9% | 4,80235.8% | 13,398 |
| Surry County | Hubert Humphrey+409 | 52322.1% | 1,12647.6% | 71730.3% | 2,366 |
| Sussex County | Hubert Humphrey+393 | 1,10529.1% | 1,54140.6% | 1,14830.3% | 3,794 |
| Tazewell County | Hubert Humphrey+300 | 4,43439.1% | 4,73441.8% | 2,17019.1% | 11,338 |
| Virginia Beach city | Richard Nixon+4,991 | 16,31643.2% | 10,10126.8% | 11,32530.0% | 37,742 |
| Warren County | Richard Nixon+784 | 2,29743.4% | 1,51328.6% | 1,48628.1% | 5,296 |
| Washington County | Richard Nixon+3,422 | 6,66551.2% | 3,24324.9% | 3,12124.0% | 13,029 |
| Waynesboro city | Richard Nixon+1,855 | 3,30161.4% | 1,44626.9% | 63111.7% | 5,378 |
| Westmoreland County | Richard Nixon+246 | 1,40240.0% | 1,15633.0% | 94827.0% | 3,506 |
| Williamsburg city | Richard Nixon+165 | 1,15646.7% | 99140.1% | 32713.2% | 2,474 |
| Winchester city | Richard Nixon+1,335 | 2,69555.8% | 1,36028.1% | 77816.1% | 4,833 |
| Wise County | Hubert Humphrey+938 | 5,00439.7% | 5,94247.1% | 1,66013.2% | 12,606 |
| Wythe County | Richard Nixon+1,873 | 3,63852.2% | 1,76525.3% | 1,56022.4% | 6,963 |
| York County | Other+6 | 3,35636.9% | 2,37026.1% | 3,36237.0% | 9,088 |
Nominees: Hubert Humphrey (D) · Richard Nixon (R) · George Wallace (American Independent)
Virginia's presidential margins
1892–2024, the 1968 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | +17.5% |
| 1896 | +6.6% |
| 1900 | +11.5% |
| 1904 | +24.8% |
| 1908 | +22.2% |
| 1912 | +48.9% |
| 1916 | +34.7% |
| 1920 | +23.5% |
| 1924 | +29.7% |
| 1928 | −8.0% |
| 1932 | +38.4% |
| 1936 | +40.8% |
| 1940 | +36.5% |
| 1944 | +25.0% |
| 1948 | +6.8% |
| 1952 | −13.0% |
| 1956 | −17.0% |
| 1960 | −5.4% |
| 1964 | +7.1% |
| 1968 | −10.9% |
| 1972 | −37.7% |
| 1976 | −1.3% |
| 1980 | −12.7% |
| 1984 | −25.2% |
| 1988 | −20.5% |
| 1992 | −4.4% |
| 1996 | −2.0% |
| 2000 | −8.1% |
| 2004 | −8.2% |
| 2008 | +6.3% |
| 2012 | +3.9% |
| 2016 | +5.3% |
| 2020 | +10.1% |
| 2024 | +5.8% |
Source. Compiled historical county records — 1968 presidential returns · official county-level results. Real returns — nothing estimated.