The 1830–31 United States Senate elections were held on various dates in various states. As these U.S. Senate elections were prior to the ratification of the Seventeenth Amendment in 1913, senators were chosen by state legislatures. Senators were elected over a wide range of time throughout 1830 and 1831, and a seat may have been filled months late or remained vacant due to legislative deadlock.^[1] In these elections, terms were up for the senators in Class 3.

Quick Facts 16 of the 48 seats in the United States Senate (plus special elections) 25 seats needed for a majority, Majority party ...

1830–31 United States Senate elections

← 1828 & 1829 Dates vary by state 1832 & 1833 →
16 of the 48 seats in the United States Senate (plus special elections) 25 seats needed for a majority
Majority party Minority party   Party Jacksonian Anti-Jacksonian Last election 26 seats 19 seats Seats before 25 23 Seats won 8 6 Seats after 26 20 Seat change 1 3 Seats up 7 9   Third party   Party Nullifier Seats before New party Seats won 1 Seats after 1 Seat change 1 Seats up 0
Results:      Jacksonian Hold      Jacksonian Gain      Anti-Jacksonian Hold      Anti-Jacksonian Gain      Nullifier Gain      Legislature Failed To Elect
Majority Party before election Jacksonian Elected Majority Party Jacksonian

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The Jacksonians gained one seat from the Anti-Jacksonian coalition, but lose one seat to the short-lived Nullifier Party. By the time Congress first met in December 1831, however, the Jacksonians had a net loss of one seat.

Senate party division, 22nd Congress (1831–1833)

• Majority party: Jacksonian (24–23)
• Minority party: Anti-Jackson (21–23)
• Other parties: Nullifier (2–1)
• Total seats: 48

Bold states link to specific election articles.

Illinois had two elections in this cycle: one for each seat.

Kentucky had two elections in this cycle.

When Jacksonian John Rowan's term ended March 3, 1831, the legislature had not yet voted a replacement. When the legislature resumed for its session in November 1831, Anti-Jacksonian Henry Clay was elected, but still in time to participate when the 22nd Congress convened in December 1831.

Kentucky (regular)

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Kentucky (special)

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Louisiana had two elections in this cycle.

Louisiana (regular)

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Louisiana (special)

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Ezekiel F. Chambers won election over non-voters by a margin of 45.21%, or 33 votes, for the Class 3 seat.^[7]

The Senate election in New York was held on February 1, 1831, by the New York State Legislature. Nathan Sanford had been elected in 1826 to this seat, and his term would expire on March 3, 1831. At the state election in November 1830, the Jacksonians managed to defeat the combined Anti-Masons and Anti-Jacksonians. Enos T. Throop was narrowly re-elected Governor, a large Jacksonian majority was elected to the Assembly, and five of the nine State Senators elected were Jacksonian Democrats. The 54th New York State Legislature met from January 4 to April 26, 1831, at Albany, New York. The Jacksonian State legislators held a caucus before the election, and n The Jacksonian State legislators held a caucus before the electionominated New York Supreme Court Justice William L. Marcy. The vote was 77 for Marcy, 15 for Erastus Root, 6 for the incumbent Nathan Sanford and 6 scattering votes. William L. Marcy was the choice of both the Assembly and the Senate, and was declared elected.

The two houses of the Ohio General Assembly met during the winter of 1830–1831 in joint assembly to elect a Senator (Class 3). After seven ballots, on various dates, Thomas Ewing was elected on a majority of the ballots. The balloting was as follows:^[8]

More information Ballot, Thomas Ewing (Anti-Jacksonian) ...

Ballot	Thomas Ewing (Anti-Jacksonian)	Micajah T. Williams (Jacksonian)	Edward King (Anti-Jacksonian)
1	33	49	21
2	37	50	21
3	42	49	16
4	46	52	9
5	51	51	5
6	54	53	2
7	Y 54	51	2

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Pennsylvania had two election in this cycle.

Pennsylvania (regular)

Main article: 1830 United States Senate election in Pennsylvania

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• 1830 United States elections
  • 1830–31 United States House of Representatives elections
• 21st United States Congress
• 22nd United States Congress