Alaska would become a new state January 3, 1959 and it elected two initial senators November 25, 1958 in advance of statehood.
 The Democratic Party thereby picked up 2 more seats.

In their next elections, Alaska's senators would be elected to 6-year terms.

The class 2 race, for the 2-year term ending in 1961, was between the Democratic incumbent territorial delegate Bob Bartlett, and the Republican Juneau attorney R. E. Robertson.

Bartlett would be re-elected twice and serve until his 1968 death.

The class 3 race, for the 4-year term ending in 1963, pitted two former territorial governors, Democrat Ernest Gruening against Republican Mike Stepovich.
 Gruening won a close race.

Gruening would be re-elected in 1962 and serve until losing renomination in 1968.
Alaska would become a new state January 3, 1959 and it elected two initial senators November 25, 1958 in advance of statehood.  The Democratic Party thereby picked up 2 more seats.
In their next elections, Alaska's senators would be elected to 6-year terms.
The class 2 race, for the 2-year term ending in 1961, was between the Democratic incumbent territorial delegate Bob Bartlett, and the Republican Juneau attorney R. E. Robertson.
Bartlett would be re-elected twice and serve until his 1968 death.
The class 3 race, for the 4-year term ending in 1963, pitted two former territorial governors, Democrat Ernest Gruening against Republican Mike Stepovich.  Gruening won a close race.
Gruening would be re-elected in 1962 and serve until losing renomination in 1968.
1958 United States Senate elections