Big fan of election and demographic numbers since 2006
 

1930 United States Congressional Elections – South Dakota

United States Senate – DEM Gain

William J. Bulow (D) – 106,31751.63%

William H. McMaster (R-inc) – 99,59548.37%

Total Votes – 205,912100.00%

United States House of Representatives – District 1 – GOP Hold

Charles A. Christopherson (R-inc) – 41,15184.67%

Henry Bormann (I) – 7,45115.33%

Total Votes – 48,602100.00%

United States House of Representatives – District 2 – GOP Hold

Royal C. Johnson (R-inc) – 38,19552.38%

Fred H. Hildebrandt (D) – 34,24546.97%

Einow Niva (I) – 4750.65%

Total Votes – 72,915100.00%

United States House of Representatives – District 3 – GOP Hold

William Williamson (R-inc) – 27,08355.78%

Theodore B. Werner (D) – 21,47344.22%

Total Votes – 48,556100.00%

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