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1920 United States Congressional Elections – South Dakota

United States Senate – GOP Gain

Peter Norbeck (R) – 92,26750.10%
Tom Ayres (I) – 44,30924.06%
U. S. G. Cherry (D) – 36,83320.00%
Richard Olsen Richards (I) – 10,0325.45%
L. J. Manbeck (I) – 7380.40%
Total Votes – 184,179100.00%

United States House of Representatives – District 1 – GOP Hold

Charles A. Christopherson (R-inc) – 39,23156.16%
Engebret J. Holter (NPL) – 15,81022.63%
Ralph E. Johnson (D) – 14,81521.21%
Total Votes – 69,856100.00%

United States House of Representatives – District 2 – GOP Hold

Royal C. Johnson (R-inc) – 44,75962.26%
Frank Whalen (NPL) – 18,35725.54%
Lewis W. Bicknell (D) – 8,77012.20%
Total Votes – 71,886100.00%

United States House of Representatives – District 3 – GOP Gain

William Williamson (R) – 19,33547.96%
Harry L. Gandy (D-inc) – 16,21440.22%
O. E. Farnam (NPL) – 4,76511.82%
Total Votes – 40,314100.00%

Source: Office of the Clerk of the United States House of Representatives