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United States · Election results history · 2010 Senate · Louisiana
Election 2010 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2010 US Senate election in Louisiana

David Vitter (Republican) beat Charlie Melançon (Democrat) in Louisiana in 2010, 56.6% to 37.7%, a margin of 18.9 points and 238,843 votes.

The Republican hold continued from 2004, when David Vitter also won.

Republicans led in 56 of the 64 counties and Democrats in 8. The largest, East Baton Rouge, cast 132,723 votes and went to the Republican by 2.1 points. The closest was Madison, where 101 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
David Vitter won Republican 715,415 56.6%
Charlie Melançon Democratic 476,572 37.7%
All other candidates 73,007 5.8%
Total1,264,994

Every county

CountyDemocratRepublicanOthersTotalMargin
East Baton Rouge 61,561 46.4% 64,298 48.4% 6,864 132,723 R+2.1
Jefferson 40,887 34.3% 72,054 60.4% 6,327 119,268 R+26.1
Orleans 73,071 75.1% 19,858 20.4% 4,377 97,306 D+54.7
St. Tammany 15,931 20.8% 56,779 74.2% 3,811 76,521 R+53.4
Caddo 33,759 46.5% 34,947 48.1% 3,955 72,661 R+1.6
Lafayette 18,768 29.2% 41,666 64.8% 3,892 64,326 R+35.6
Calcasieu 17,018 33.0% 30,903 60.0% 3,598 51,519 R+27.0
Ouachita 13,646 34.4% 23,955 60.4% 2,083 39,684 R+26.0
Rapides 11,313 31.5% 21,803 60.7% 2,831 35,947 R+29.2
Livingston 5,854 17.0% 26,378 76.7% 2,144 34,376 R+59.7
Ascension 10,333 32.8% 19,234 61.1% 1,895 31,462 R+28.3
Tangipahoa 9,404 29.9% 20,253 64.5% 1,761 31,418 R+34.5
Bossier 6,620 23.7% 20,144 72.2% 1,123 27,887 R+48.5
St. Landry 11,539 42.8% 13,368 49.6% 2,041 26,948 R+6.8
Terrebonne 8,016 30.0% 17,429 65.2% 1,279 26,724 R+35.2
Lafourche 7,512 29.7% 16,509 65.3% 1,277 25,298 R+35.6
Iberia 7,350 34.4% 12,964 60.7% 1,033 21,347 R+26.3
Acadia 4,719 27.2% 11,627 67.0% 1,008 17,354 R+39.8
St. Martin 6,331 38.4% 9,332 56.5% 844 16,507 R+18.2
St. Charles 5,582 34.1% 10,061 61.4% 744 16,387 R+27.3
Vermilion 3,839 25.0% 10,571 68.8% 964 15,374 R+43.8
St. Mary 5,896 38.7% 8,515 55.9% 808 15,219 R+17.2
St. John the Baptist 7,435 56.7% 5,134 39.1% 553 13,122 D+17.5
Webster 4,191 34.0% 7,380 59.9% 741 12,312 R+25.9
Washington 3,533 30.7% 7,294 63.3% 692 11,519 R+32.7
Lincoln 3,767 33.8% 6,769 60.7% 607 11,143 R+26.9
Iberville 5,788 55.9% 3,996 38.6% 570 10,354 D+17.3
Evangeline 3,427 35.2% 5,465 56.1% 852 9,744 R+20.9
Natchitoches 3,684 38.4% 5,178 53.9% 736 9,598 R+15.6
Beauregard 1,899 21.6% 6,236 71.0% 652 8,787 R+49.4
Avoyelles 3,109 35.5% 4,925 56.3% 715 8,749 R+20.8
Vernon 1,645 18.9% 6,269 71.9% 810 8,724 R+53.0
Pointe Coupee 4,018 47.2% 3,867 45.4% 629 8,514 D+1.8
Jefferson Davis 2,379 28.3% 5,453 64.9% 564 8,396 R+36.6
St. James 4,895 58.7% 3,145 37.7% 302 8,342 D+21.0
St. Bernard 3,029 36.9% 4,631 56.4% 553 8,213 R+19.5
West Baton Rouge 3,409 43.8% 3,988 51.2% 392 7,789 R+7.4
Morehouse 2,962 39.9% 4,002 53.9% 467 7,431 R+14.0
De Soto 2,774 37.7% 4,213 57.2% 376 7,363 R+19.5
Assumption 3,848 54.0% 2,981 41.8% 296 7,125 D+12.2
East Feliciana 2,925 42.2% 3,531 51.0% 468 6,924 R+8.8
Plaquemines 1,970 30.1% 3,605 55.1% 963 6,538 R+25.0
Union 1,674 26.0% 4,292 66.8% 461 6,427 R+40.7
Sabine 1,105 19.0% 4,247 72.8% 479 5,831 R+53.9
Richland 1,845 32.4% 3,445 60.4% 409 5,699 R+28.1
Concordia 1,764 32.9% 3,319 61.9% 276 5,359 R+29.0
Franklin 1,456 27.5% 3,482 65.8% 357 5,295 R+38.3
Grant 957 18.8% 3,699 72.7% 431 5,087 R+53.9
Allen 1,550 31.0% 3,065 61.4% 377 4,992 R+30.3
Bienville 2,006 41.4% 2,465 50.8% 377 4,848 R+9.5
Jackson 1,416 29.7% 3,059 64.1% 300 4,775 R+34.4
St. Helena 2,254 52.8% 1,682 39.4% 335 4,271 D+13.4
Claiborne 1,394 34.9% 2,387 59.7% 214 3,995 R+24.9
Winn 963 24.2% 2,660 66.7% 364 3,987 R+42.6
West Feliciana 1,677 42.2% 2,082 52.4% 216 3,975 R+10.2
La Salle 524 13.3% 3,092 78.3% 334 3,950 R+65.0
Catahoula 774 26.9% 1,926 67.0% 173 2,873 R+40.1
West Carroll 485 18.2% 1,987 74.4% 198 2,670 R+56.3
Caldwell 680 25.5% 1,784 67.0% 199 2,663 R+41.5
Madison 1,190 45.5% 1,291 49.3% 136 2,617 R+3.9
East Carroll 1,270 49.7% 893 35.0% 391 2,554 D+14.8
Red River 958 38.2% 1,403 56.0% 146 2,507 R+17.8
Cameron 400 17.9% 1,686 75.6% 145 2,231 R+57.6
Tensas 594 41.1% 759 52.5% 92 1,445 R+11.4

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Louisiana Senate elections we hold

YearWinnerMargin
2022 John Kennedy (R) R+43.7
2020 Bill Cassidy (R) R+40.3
2016 John Neely Kennedy (R) R+21.3
2014 Bill Cassidy (R) R+11.9
2010 David Vitter (R) R+18.9
2008 Mary L. Landrieu (D) D+6.4
2004 David Vitter (R) R+21.7
2002 Mary Landrieu (D) D+3.4
1998 John Breaux (D) D+32.4
1996 Mary Landrieu (D) D+0.3
1992 John Breaux (D) D+64.8
1990 J. Bennett Johnston (D) D+10.5
1986 John B. Breaux (D) D+5.6
1984 J. Bennett Johnston (D) D+76.9
1980 Russell B. Long (D) D+55.9
1978 J. Bennett Johnston (D) D+59.4
1974 Russell B. Long (D) D+100.0
1972 J. Bennett Johnston (D) D+36.1
1968 Russell B. Long (D) D+100.0
1966 Allen J. Ellender (D) D+100.0
1962 Russell B. Long (D) D+51.1
1960 Allen J. Ellender (D) D+59.5
1956 Russell B. Long (D) D+100.0
1954 Allen J. Ellender (D) D+100.0
1950 Russell B. Long (D) D+75.4
1948 Allen J. Ellender (D) D+100.0
1944 John H. Overton (D) D+100.0
1942 Allen J. Ellender (D) D+100.0
1938 John H. Overton (D) D+99.8
1936 Allen J. Ellender (D) D+100.0
1932 John H. Overton (D) D+100.0
1930 Huey Long (D) D+100.0
1926 Edwin S. Broussard (D) D+100.0
1924 Joseph Ransdell (D) D+100.0
1920 Edwin S. Broussard (D) D+100.0
1918 Joseph Ransdell (D) D+100.0