1920 United States Congressional Elections – Montana

United States House of Representatives – District 1 – GOP Gain

Washington J. McCormick (R) – 39,729 – 57.23%
Burton Watson (D) – 29,688 – 42.77%
Total Votes – 69,417 – 100.00%

United States House of Representatives – District 2 – GOP Hold

Carl W. Riddick (R-inc) – 68,486 – 64.86%
M. McCusker (D) – 37,104 – 35.14%
Total Votes – 105,590 – 100.00%

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