Lists of all senators from each state and facts about each state's history in the U.S. Senate.

Use this site's search or visit the Senate Index to find pages by topic. To learn about the history of the Senate visit the About the Senate section of Senate.gov.

Idea of the Senate; Parties & Leadership; Traditions & Symbols; Historic Buildings & Spaces. The Capitol; Senate Chamber; Historic Rooms; Senate Office Buildings; Congressional Meeting Places; Past Senate Chambers; Oral History Project; Historical Highlights. 1787-1800; 1801-1850; 1851-1877; 1878-1920; 1921-1940; 1941-1963; 1964-present; Senate ...

All questions and comments regarding public policy issues, legislation, or requests for personal assistance should be directed to the senators from your state. Please be aware that as a matter of professional courtesy, many senators will acknowledge, but not respond to, a message from another senator's constituent.

States in the Senate. Find your state's senators and learn about your state's place in Senate history.

States in the Senate. Find your state's senators and learn about your state's place in Senate history.

The Constitution sets three qualifications for service in the U.S. Senate: age (at least thirty years of age); U.S. citizenship (at least nine years); and residency in the state a senator represents at time of election. The details of these qualifications were hammered out by the Constitution's framers during the Constitutional Convention in 1787.

California’s longest-serving senators include Hiram Johnson (1917-1945) and Dianne Feinstein (1992-2023). Among those who rose to leadership positions are William F. Knowland, who became Republican floor leader, and Thomas Kuchel, who served as Republican whip.

The official website of the United States Senate Majority Leader John Thune, Senator from South Dakota

The Senate of the United States shall be composed of two Senators from each State. [U.S. Constitution, Article I, section 3, clause 1] Once delegates to the Constitutional Convention agreed on equal state representation in the Senate on July 16, they needed to determine how many senators would represent each state.