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United States · Election results history · 2018 Senate · New Mexico
Election 2018 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.

2018 US Senate election in New Mexico

Martin Heinrich (Democrat) beat Mick Rich (Republican) in New Mexico in 2018, 54.1% to 30.5%, a margin of 23.6 points and 164,185 votes.

The Democratic hold continued from 2012, when Martin Heinrich also won.

Democrats led in 18 of the 33 counties and Republicans in 15. The largest, Bernalillo, cast 241,288 votes and went to the Democrat by 32.4 points. The closest was Harding, where 1 vote 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
Martin Heinrich won Democratic 376,998 54.1%
Mick Rich Republican 212,813 30.5%
Gary Johnson Libertarian 107,201 15.4%
Total697,012

Every county

CountyDemocratRepublicanOthersTotalMargin
Bernalillo 140,082 58.1% 61,932 25.7% 39,274 241,288 D+32.4
Santa Fe 49,994 74.4% 9,546 14.2% 7,642 67,182 D+60.2
Dona Ana 34,651 57.0% 18,101 29.8% 8,029 60,781 D+27.2
Sandoval 28,198 50.9% 17,785 32.1% 9,397 55,380 D+18.8
San Juan 12,485 33.4% 18,002 48.2% 6,876 37,363 R+14.8
Valencia 11,514 47.1% 8,790 36.0% 4,139 24,443 D+11.1
McKinley 12,409 67.5% 2,915 15.9% 3,049 18,373 D+51.7
Otero 6,370 37.2% 8,460 49.4% 2,291 17,121 R+12.2
Chaves 5,279 31.7% 8,727 52.3% 2,666 16,672 R+20.7
Eddy 4,834 30.7% 8,826 56.0% 2,095 15,755 R+25.3
Taos 10,838 74.7% 1,556 10.7% 2,112 14,506 D+64.0
Lea 3,331 24.1% 8,882 64.2% 1,628 13,841 R+40.1
Rio Arriba 8,773 68.8% 1,945 15.3% 2,035 12,753 D+53.5
Grant 6,763 57.3% 3,598 30.5% 1,442 11,803 D+26.8
Los Alamos 5,798 56.3% 2,576 25.0% 1,926 10,300 D+31.3
Curry 2,793 27.4% 5,896 57.9% 1,498 10,187 R+30.5
San Miguel 6,609 71.6% 1,298 14.1% 1,323 9,230 D+57.5
Lincoln 2,617 33.3% 4,122 52.5% 1,111 7,850 R+19.2
Cibola 3,924 55.1% 1,842 25.9% 1,355 7,121 D+29.2
Socorro 3,409 54.6% 1,700 27.3% 1,129 6,238 D+27.4
Luna 3,005 48.9% 2,313 37.7% 823 6,141 D+11.3
Torrance 1,982 36.9% 2,433 45.3% 951 5,366 R+8.4
Sierra 1,917 40.5% 2,048 43.3% 767 4,732 R+2.8
Colfax 2,333 49.9% 1,615 34.5% 731 4,679 D+15.3
Roosevelt 1,277 27.6% 2,606 56.2% 750 4,633 R+28.7
Quay 1,016 32.9% 1,534 49.7% 537 3,087 R+16.8
Mora 1,564 67.4% 372 16.0% 386 2,322 D+51.3
Catron 550 29.9% 1,075 58.4% 217 1,842 R+28.5
Guadalupe 1,094 65.2% 292 17.4% 292 1,678 D+47.8
Hidalgo 790 49.5% 607 38.1% 198 1,595 D+11.5
Union 334 22.8% 878 60.0% 252 1,464 R+37.2
De Baca 267 33.2% 342 42.5% 196 805 R+9.3
Harding 198 41.2% 199 41.4% 84 481 R+0.2

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

New Mexico Senate elections we hold

YearWinnerMargin
2024 Martin Heinrich (D) D+10.1
2020 Ben R Lujan (D) D+6.1
2018 Martin Heinrich (D) D+23.6
2014 Tom Udall (D) D+11.1
2012 Martin Heinrich (D) D+5.7
2008 Tom Udall (D) D+22.7
2006 Jeff Bingaman (D) D+41.3
2002 Pete V. Domenici (R) R+30.1
2000 Jeff Bingaman (D) D+23.4
1996 Pete V. Domenici (R) R+34.9
1994 Jeff Bingaman (D) D+8.0
1990 Pete Domenici (R) R+45.9
1988 Jeff Bingaman (D) D+26.6
1984 Pete V. Domenici (R) R+43.8
1982 Jeff Bingaman (D) D+7.5
1978 Pete V. Domenici (R) R+6.8
1976 Harrison Schmitt (R) R+14.1
1972 Pete Domenici (R) R+8.0
1970 Joseph Montoya (D) D+5.7
1966 Clinton Anderson (D) D+6.3
1964 Joseph Montoya (D) D+9.4
1960 Clinton Anderson (D) D+26.9
1958 Dennis Chavez (D) D+25.4
1954 Clinton Anderson (D) D+14.2
1952 Dennis Chavez (D) D+2.2
1948 Clinton Anderson (D) D+14.9
1946 Dennis Chavez (D) D+3.0
1942 Carl A. Hatch (D) D+18.3
1940 Dennis Chavez (D) D+11.9
1936 Carl A. Hatch (D) D+23.4
1934 Bronson Cutting (R) R+0.8
1930 Sam G. Bratton (D) D+17.5
1928 Bronson Cutting (R) R+15.4
1924 Sam G. Bratton (D) D+2.5
1922 Andrieus A. Jones (D) D+11.2
1918 Albert B. Fall (R) R+3.9
1916 Andrieus A. Jones (D) D+5.3