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United States · Election results history · 1970 Senate · Indiana
Election 1970 Results

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1970 US Senate election in Indiana

R. Vance Hartke (Democrat) beat Richard L. Roudebush (Republican) in Indiana in 1970, 50.1% to 49.9%, a margin of 0.2 points and 4,283 votes.

The Democratic hold continued from 1964, when R. Vance Hartke also won.

Republicans led in 49 of the 92 counties as they stood then and Democrats in 43. The largest, Marion, cast 250,189 votes and went to the Republican by 4.6 points. The closest was Brown, where 12 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
R. Vance Hartke won Democratic 870,990 50.1%
Richard L. Roudebush Republican 866,707 49.9%
Total1,737,697

Every county

CountyDemocratRepublicanOthersTotalMargin
Marion 119,295 47.7% 130,894 52.3% 250,189 R+4.6
Lake 86,773 60.4% 56,864 39.6% 143,637 D+20.8
Allen 45,846 50.5% 44,931 49.5% 90,777 D+1.0
St. Joseph 53,113 60.5% 34,689 39.5% 87,802 D+21.0
Vanderburgh 32,992 52.6% 29,713 47.4% 62,705 D+5.2
Madison 28,281 52.8% 25,265 47.2% 53,546 D+5.6
Delaware 20,887 50.5% 20,456 49.5% 41,343 D+1.0
Vigo 23,109 56.4% 17,832 43.6% 40,941 D+12.9
Elkhart 16,361 49.1% 16,939 50.9% 33,300 R+1.7
Tippecanoe 14,958 46.2% 17,434 53.8% 32,392 R+7.6
La Porte 15,533 49.8% 15,666 50.2% 31,199 R+0.4
Porter 11,573 42.7% 15,530 57.3% 27,103 R+14.6
Howard 11,688 44.9% 14,349 55.1% 26,037 R+10.2
Wayne 10,323 40.9% 14,922 59.1% 25,245 R+18.2
Grant 10,184 43.8% 13,089 56.2% 23,273 R+12.5
Clark 12,766 57.9% 9,292 42.1% 22,058 D+15.7
Bartholomew 9,946 46.7% 11,331 53.3% 21,277 R+6.5
Monroe 11,499 54.1% 9,761 45.9% 21,260 D+8.2
Floyd 11,436 59.9% 7,667 40.1% 19,103 D+19.7
Hamilton 4,686 25.4% 13,783 74.6% 18,469 R+49.3
Henry 8,342 45.4% 10,052 54.6% 18,394 R+9.3
Hendricks 6,253 35.9% 11,160 64.1% 17,413 R+28.2
Johnson 7,043 40.9% 10,186 59.1% 17,229 R+18.2
Kosciusko 6,431 38.0% 10,472 62.0% 16,903 R+23.9
Knox 9,098 54.3% 7,643 45.7% 16,741 D+8.7
Cass 7,501 48.6% 7,945 51.4% 15,446 R+2.9
Huntington 7,309 49.2% 7,541 50.8% 14,850 R+1.6
Gibson 7,630 54.2% 6,443 45.8% 14,073 D+8.4
Morgan 5,424 40.1% 8,115 59.9% 13,539 R+19.9
Jackson 6,933 52.0% 6,410 48.0% 13,343 D+3.9
Lawrence 6,186 47.0% 6,965 53.0% 13,151 R+5.9
Marshall 6,336 48.3% 6,771 51.7% 13,107 R+3.3
Shelby 6,040 46.7% 6,881 53.3% 12,921 R+6.5
Clinton 5,638 45.7% 6,690 54.3% 12,328 R+8.5
Greene 6,514 52.9% 5,798 47.1% 12,312 D+5.8
Miami 5,411 46.2% 6,303 53.8% 11,714 R+7.6
Montgomery 4,313 37.4% 7,234 62.6% 11,547 R+25.3
Dubois 7,238 63.6% 4,139 36.4% 11,377 D+27.2
Wabash 4,958 44.2% 6,253 55.8% 11,211 R+11.6
De Kalb 5,438 49.1% 5,643 50.9% 11,081 R+1.9
Boone 4,063 36.9% 6,959 63.1% 11,022 R+26.3
Hancock 4,325 39.3% 6,680 60.7% 11,005 R+21.4
Noble 5,692 52.6% 5,130 47.4% 10,822 D+5.2
Daviess 4,697 44.0% 5,984 56.0% 10,681 R+12.0
Jefferson 5,741 54.0% 4,894 46.0% 10,635 D+8.0
Randolph 4,211 40.2% 6,258 59.8% 10,469 R+19.6
Warrick 5,240 51.6% 4,919 48.4% 10,159 D+3.2
Dearborn 5,632 55.6% 4,499 44.4% 10,131 D+11.2
Putnam 4,568 45.4% 5,487 54.6% 10,055 R+9.1
Clay 5,085 50.7% 4,944 49.3% 10,029 D+1.4
Whitley 5,090 51.6% 4,770 48.4% 9,860 D+3.2
Adams 5,083 53.9% 4,341 46.1% 9,424 D+7.9
Fayette 4,745 50.5% 4,655 49.5% 9,400 D+1.0
Posey 4,874 52.8% 4,363 47.2% 9,237 D+5.5
Jay 4,882 53.7% 4,206 46.3% 9,088 D+7.4
Wells 4,722 52.2% 4,325 47.8% 9,047 D+4.4
White 3,872 43.5% 5,036 56.5% 8,908 R+13.1
Harrison 5,018 56.6% 3,851 43.4% 8,869 D+13.2
Perry 4,898 56.1% 3,836 43.9% 8,734 D+12.2
Decatur 4,077 47.1% 4,581 52.9% 8,658 R+5.8
Ripley 4,373 50.6% 4,269 49.4% 8,642 D+1.2
Spencer 4,188 50.4% 4,127 49.6% 8,315 D+0.7
Sullivan 5,069 61.3% 3,205 38.7% 8,274 D+22.5
Fountain 3,692 46.0% 4,335 54.0% 8,027 R+8.0
Orange 3,721 47.5% 4,105 52.5% 7,826 R+4.9
Carroll 3,519 45.6% 4,206 54.4% 7,725 R+8.9
Jennings 3,900 51.3% 3,699 48.7% 7,599 D+2.6
Starke 3,921 52.2% 3,589 47.8% 7,510 D+4.4
Vermillion 4,153 56.8% 3,158 43.2% 7,311 D+13.6
Fulton 3,008 41.4% 4,250 58.6% 7,258 R+17.1
Tipton 3,043 42.5% 4,121 57.5% 7,164 R+15.0
Rush 2,740 39.1% 4,270 60.9% 7,010 R+21.8
Jasper 2,546 36.5% 4,431 63.5% 6,977 R+27.0
Washington 3,674 52.9% 3,270 47.1% 6,944 D+5.8
Parke 3,298 47.7% 3,613 52.3% 6,911 R+4.6
Pike 3,634 56.4% 2,809 43.6% 6,443 D+12.8
Steuben 2,590 41.5% 3,648 58.5% 6,238 R+17.0
Scott 3,601 60.7% 2,334 39.3% 5,935 D+21.3
Franklin 3,028 51.1% 2,898 48.9% 5,926 D+2.2
Pulaski 2,554 46.8% 2,907 53.2% 5,461 R+6.5
Owen 2,572 48.6% 2,725 51.4% 5,297 R+2.9
Blackford 2,733 52.7% 2,450 47.3% 5,183 D+5.5
Martin 2,716 55.0% 2,218 45.0% 4,934 D+10.1
Benton 1,956 41.6% 2,741 58.4% 4,697 R+16.7
Lagrange 1,844 42.1% 2,538 57.9% 4,382 R+15.8
Newton 1,603 37.4% 2,686 62.6% 4,289 R+25.3
Crawford 2,195 53.8% 1,886 46.2% 4,081 D+7.6
Brown 1,887 49.8% 1,899 50.2% 3,786 R+0.3
Warren 1,550 44.2% 1,956 55.8% 3,506 R+11.6
Switzerland 1,749 57.5% 1,292 42.5% 3,041 D+15.0
Union 957 40.0% 1,433 60.0% 2,390 R+19.9
Ohio 1,176 57.5% 870 42.5% 2,046 D+15.0

Counties as they stood in 1970; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Indiana Senate elections we hold

YearWinnerMargin
2024 Jim Banks (R) R+19.9
2022 Todd Young (R) R+20.7
2018 Mike Braun (R) R+5.9
2016 Todd Young (R) R+9.7
2012 Joe Donnelly (D) D+5.8
2010 Dan Coats (R) R+14.6
2006 Richard Lugar (R) R+87.4
2004 Evan Bayh (D) D+24.4
2000 Richard G. Lugar (R) R+34.7
1998 Evan Bayh (D) D+28.9
1994 Richard G. Lugar (R) R+36.9
1992 Dan Coats (R) R+16.6
1988 Richard G. Lugar (R) R+36.3
1986 Dan Quayle (R) R+22.1
1982 Richard G. Lugar (R) R+8.2
1980 Dan Quayle (R) R+7.6
1976 Richard G. Lugar (R) R+18.8
1974 Birch Bayh (D) D+4.3
1970 R. Vance Hartke (D) D+0.2
1968 Birch Bayh (D) D+3.5
1964 R. Vance Hartke (D) D+9.0
1962 Birch Bayh (D) D+0.6
1958 R. Vance Hartke (D) D+14.0
1956 Homer E. Capehart (R) R+10.8
1952 William E. Jenner (R) R+5.6
1950 Homer E. Capehart (R) R+6.5
1946 William E. Jenner (R) R+11.5
1944 Homer E. Capehart (R) R+1.3
1940 Raymond E. Willis (R) R+1.3
1938 Frederick Van Nuys (D) D+0.3
1934 Sherman Minton (D) D+4.0
1932 Frederick Van Nuys (D) D+13.6
1928 Arthur R. Robinson (R) R+11.2
1926 James E. Watson (R) R+1.1
1922 Samuel M. Ralston (D) D+3.1
1920 James E. Watson (R) R+13.4
1916 Harry S. New (R) R+1.6
1914 Benjamin F. Shively (D) D+7.0