U.S. Senators by State

The second clause of Article I, Section 3 of the U.S. Constitution addressed the incoming First Congress as follows:

Immediately after they shall be assembled in Consequence of the first Election, they shall be divided as equally as may be into three Classes. The Seats of the Senators of the first Class shall be vacated at the Expiration of the second Year, of the second Class at the Expiration of the fourth Year, and of the third Class at the Expiration of the sixth Year, so that one third may be chosen every second Year....

This original instruction is followed today with roughly one-third of the Senate standing for reelection every two years. Click on the following links to find a listing of the Senators, by class, who have served in each of the states:

Alabama	Alaska	Arizona	Arkansas	California	Colorado
Connecticut	Delaware	Florida	Georgia	Hawaii	Idaho
Illinois	Indiana	Iowa	Kansas	^Kentucky	Louisiana
Maine	Maryland	Mass.	Michigan	Minnesota	Mississippi
Missouri	Montana	Nebraska	Nevada	New Hampshire	[1917:New Jersey]
New Mexico	New York	[1919:North Carolina]	North Dakota	Ohio	Oklahoma
Oregon	Penn.	[1924:Rhode Island]	South Carolina	[1926:South Dakota]	Tennessee
Texas	Utah	Vermont	Virginia	Washington	West Virginia
Wisconsin	Wyoming

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Histories of the States