The 1948 United States presidential election in New Mexico took place on November 2, 1948. All 48 states were part of the 1948 United States presidential election. State voters chose four electors to represent them in the Electoral College, which voted for President and Vice President.

New Mexico was won by incumbent President Harry S. Truman, who took the Oval Office after the death of President Franklin D. Roosevelt. Running against Truman was Governor of New York Thomas E. Dewey, who was strongly predicted to win the contest. Dixiecrat candidate Strom Thurmond took portions of the South, but was not even on the ballot in New Mexico and other Western states.

, this is the last election in which Union County and Harding County voted for a Democratic presidential candidate and the last until 2020 in which Valencia County voted for a losing candidate.Sullivan, Robert David; ‘How the Red and Blue Map Evolved Over the Past Century’; America Magazine in The National Catholic Review; June 29, 2016

Results + General Election ResultsNew Mexico State Records Center & Archives, Canvass of Returns of General Election Held November 2, 1948Party Pledged to Elector Votes Democratic Party Harry S. Truman Luis C. De Baca105,464 Democratic Party Harry S. Truman Max I. Meadors105,240 Democratic Party Harry S. Truman Mrs. W. F. Coe105,107 Democratic Party Harry S. Truman Mrs. Juan N. Vigil105,031 Republican Party Thomas E. Dewey John J. Emmons80,303 Republican Party Thomas E. Dewey Filemon T. Martinez79,860 Republican Party Thomas E. Dewey Jerome O. Eddy79,760 Republican Party Thomas E. Dewey Mrs. Seth Alston79,659 New Party Henry A. Wallace Prospero Jaramillo1,037 New Party Henry A. Wallace Fred Calkins983 New Party Henry A. Wallace Mildred Smothermon978 New Party Henry A. Wallace John C. Waite956 Prohibition Party Claude A. Watson Q. B. Stanfield127 Prohibition Party Claude A. Watson S. P. Crouch124 Prohibition Party Claude A. Watson Sadie E. Evans122 Prohibition Party Claude A. Watson Sarah D. Ulmer122 Socialist Party Norman Thomas Richard Barrett83 Socialist Party Norman Thomas Lee Wright80 Socialist Party Norman Thomas Inez Bushner77 Socialist Party Norman Thomas Cora Amos Walker77 Socialist Labor Party Edward A. Teichert Clifford Oles49 Socialist Labor Party Edward A. Teichert Eleanor Berkman35 Socialist Labor Party Edward A. Teichert Jack I. Berkman35 Socialist Labor Party Edward A. Teichert James William Peach35Votes cast 187,063

Results by county County Harry S. TrumanDemocratic Thomas E. DeweyRepublican Henry A. WallaceNew Claude A. WatsonProhibition Norman ThomasSocialist Edward A. TeichertSocialist Labor Margin Total votes cast # % # % # % # % # % # % # %Bernalillo18,30551.76%16,66847.13%3280.93%170.05%310.09%150.04%1,6374.63%35,364Catron64855.24%52144.42%30.26%10.09%00.00%00.00%12710.83%1,173Chaves4,56959.15%3,12340.43%210.27%80.10%30.04%10.01%1,44618.72%7,725Colfax3,87159.74%2,57539.74%250.39%30.05%50.08%10.02%1,29620.00%6,480Curry5,75972.52%2,13226.85%430.54%50.06%20.03%00.00%3,62745.67%7,941De Baca67059.24%45840.50%20.18%10.09%00.00%00.00%21218.74%1,131Doña Ana5,11659.54%3,44040.03%320.37%20.02%20.02%10.01%1,67619.50%8,593Eddy7,59375.77%2,30523.00%1041.04%80.08%50.05%60.06%5,28852.77%10,021Grant3,59262.72%1,99934.90%1302.27%20.03%20.03%20.03%1,59327.82%5,727Guadalupe1,55049.76%1,56550.24%00.00%00.00%00.00%00.00%-15-0.48%3,115Harding65349.96%64949.66%30.23%00.00%10.08%10.08%40.31%1,307Hidalgo85969.16%37430.11%50.40%20.16%00.00%20.16%48539.05%1,242Lea4,70878.14%1,27321.13%260.43%160.27%10.02%10.02%3,43557.01%6,025Lincoln1,40646.79%1,57552.41%140.47%70.23%20.07%10.03%-169-5.62%3,005Luna1,62963.04%94136.42%90.35%40.15%00.00%10.04%68826.63%2,584McKinley2,99558.17%2,10940.96%370.72%60.12%10.02%10.02%88617.21%5,149Mora1,54144.84%1,89355.08%30.09%00.00%00.00%00.00%-352-10.24%3,437Otero2,36163.25%1,35436.27%130.35%30.08%00.00%20.05%1,00726.98%3,733Quay3,06368.17%1,39230.98%220.49%130.29%20.04%10.02%1,67137.19%4,493Rio Arriba4,75352.56%4,27347.25%160.18%10.01%00.00%00.00%4805.31%9,043Roosevelt3,08775.75%95623.46%230.56%80.20%10.02%00.00%2,13152.29%4,075San Juan1,54438.94%2,40760.71%80.20%50.13%10.03%00.00%-863-21.77%3,965San Miguel4,95351.44%4,65548.34%180.19%00.00%20.02%10.01%2983.09%9,629Sandoval1,85152.30%1,67547.33%70.20%10.03%40.11%10.03%1764.97%3,539Santa Fe6,17244.95%7,49154.56%550.40%20.01%60.04%50.04%-1,319-9.61%13,731Sierra1,38951.83%1,27447.54%130.49%10.04%10.04%20.07%1154.29%2,680Socorro1,65043.44%2,13956.32%80.21%00.00%00.00%10.03%-489-12.88%3,798Taos2,97750.72%2,85248.59%350.60%00.00%50.09%10.02%1252.13%5,870Torrance1,69649.71%1,70950.09%40.12%20.06%10.03%00.00%-13-0.38%3,412Union1,59055.81%1,24643.73%70.25%60.21%00.00%00.00%34412.07%2,849Valencia2,91446.80%3,28052.67%230.37%30.05%50.08%20.03%-366-5.88%6,227Total 105,46456.38%80,30342.93%1,0370.55%1270.07%830.04%490.03%25,16113.45%187,063

Counties that flipped from Republican to Democratic Catron Harding Sandoval Sierra Taos Union

See also United States presidential elections in New Mexico

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