 It was contested as a statewide at-large seat in three elections, 1952, 1954, and 1956, and voters cast ballots for two congressional seats, their district and the at-large.Democrat Donald H. Magnuson won all three at-large elections.The 1958 election was the first after the state reapportioned to seven districts; Magnuson was elected to the new district in 1958 and 1960, but lost in 1962.