Big fan of election and demographic numbers since 2006
 

1956 United States Congressional Elections – South Dakota

United States Senate – GOP Hold

Francis Case (R-inc) – 147,62150.79%

Kenneth Holum (D) – 143,00149.21%

Total Votes – 290,622100.00%

United States House of Representatives – District 1 – DEM Gain

George S. McGovern (D) – 116,51652.40%

Harold O. Lovre (R-inc) – 105,83547.60%

Total Votes – 222,351100.00%

United States House of Representatives – District 2 – GOP Hold

Ellis Yarnal Berry (R-inc) – 36,68155.86%

Tom Eastman, Jr. (D) – 28,98444.14%

Total Votes – 65,665100.00%

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