# List of United States senators in the 32nd Congress

This is a complete list of members of the United States Senate during the 32nd United States Congress listed by seniority, from March 4, 1851, to March 3, 1853.
Order of service is based on the commencement of the senator's first term. Behind this is former service as a senator (only giving the senator seniority within his or her new incoming class), service as vice president, a House member, a cabinet secretary, or a governor of a state. The final factor is the population of the senator's state.
Senators who were sworn in during the middle of the two-year congressional term (up until the last senator who was not sworn in early after winning the November 1852 election) are listed at the end of the list with no number.

## Terms of service

| Class | Terms of service of senators that expired in years |
| Class 2 | Terms of service of senators that expired in 1853 (AL, AR, DE, GA, IA, IL, KY, LA, MA, ME, MI, MS, NC, NH, NJ, RI, SC, TN, TX, and VA.) |
| Class 3 | Terms of service of senators that expired in 1855 (CA, CT, DE, FL, IN, MA, MD, ME, MI, MO, MS, NJ, NY, OH, PA, RI, TN, TX, VA, VT, and WI.) |
| Class 1 | Terms of service of senators that expired in 1857 (AL, AR, CA, CT, FL, GA, IA, IL, IN, KY, LA, MD, MO, NC, NH, NY, OH, PA, SC, VT, and WI.) |

## U.S. Senate seniority list

U.S. Senate seniority :
| Rank | Senator (party-state) | Seniority date | Other factors |
| 1 | Willie Person Mangum (W-NC) | November 25, 1840 | |
| 2 | John Macpherson Berrien (W-GA) | March 4, 1841 | Former senator |
| 3 | Jacob Welsh Miller (W-NJ) | March 4, 1841 |
| 4 | James Alfred Pearce (W-MD) | March 4, 1843 | Former representative (6 years); Maryland 15th in population (1840) |
| 5 | William Upham (W-VT) | March 4, 1843 | |
| 6 | David Rice Atchison (D-MO) | October 14, 1843 | |
| 7 | Jesse D. Bright (D-IN) | March 4, 1845 | Indiana 10th in population (1840) |
| 8 | John Davis (W-MA) | March 24, 1845 |
| 9 | Thomas Jefferson Rusk (D-TX) | February 21, 1846 | |
| 10 | Samuel Houston (D-TX) | February 26, 1846 | |
| 11 | George Edmund Badger (W-NC) | November 25, 1846 |
| 12 | Andrew Pickens Butler (D-SC) | December 4, 1846 |
| 13 | James M. Mason (D-VA) | January 21, 1847 |
| 14 | Robert M. T. Hunter (D-VA) | March 4, 1847 | Former representative (8 years); Virginia 4th in population (1840) |
| 15 | Joseph Rogers Underwood (W-KY) | March 4, 1847 | Former representative (8 years); Kentucky 6th in population (1840) |
| 16 | Stephen A. Douglas (D-IL) | March 4, 1847 | Former representative (4 years) |
| 17 | John P. Hale (FS-NH) | March 4, 1847 | Former representative (2 years) |
| 18 | Alpheus Felch (D-MI) | March 4, 1847 | Former governor |
| 19 | James Ware Bradbury (D-ME) | March 4, 1847 | Maine 13th in population (1840) |
| 20 | Henry Stuart Foote (D-MS) | March 4, 1847 | Mississippi 17th in population (1840) |
| 21 | Solomon Weathersbee Downs (D-LA) | March 4, 1847 | Louisiana 19th in population (1840) |
| 22 | John Hopkins Clarke (W-RI) | March 4, 1847 | Rhode Island 24th in population (1840) |
| 23 | Presley Spruance (W-DE) | March 4, 1847 | Delaware 26th in population (1840) |
| 25 | Jefferson Davis (D-MS) | March 4, 1847 | August 10, 1847 |
| 26 | John Bell (W-TN) | November 22, 1847 |
| 27 | Solon Borland (W-AR) | March 30, 1848 |
| 28 | William K. Sebastian (W-AR) | May 12, 1848 | |
| 29 | Hannibal Hamlin (W-ME) | June 8, 1848 | Former representative (4 years); Maine 13th in population (1840) |
| 30 | Henry Dodge (D-WI) | June 8, 1848 | Former delegate (4 years); Wisconsin 28th in population (1840) |
| 31 | Isaac Pigeon Walker (D-WI) | June 8, 1848 | Wisconsin 28th in population (1840) |
| 32 | William Rufus de Vane King (D-AL) | July 1, 1848 |
| 33 | Augustus Caesar Dodge (D-IA) | December 7, 1848 | Former delegate (6 years) |
| 34 | George Wallace Jones (D-IA) | December 7, 1848 | Former delegate (3 years) |
| 35 | Lewis Cass (D-MI) | March 4, 1849 | Former senator |
| 36 | Salmon P. Chase (FS-OH) | March 4, 1849 | |
| 37 | William Dawson (W-GA) | March 4, 1849 | |
| 38 | Jackson Morton (W-FL) | March 4, 1849 | |
| 39 | Moses Norris, Jr. (D-NH) | March 4, 1849 | |
| 40 | William H. Seward (W-NY) | March 4, 1849 | |
| 41 | Truman Smith (W-CT) | March 4, 1849 | |
| 42 | Pierre Soulé (D-LA) | March 4, 1849 | |
| 43 | James Whitcomb (D-IN) | March 4, 1849 | |
| 44 | James Cooper (W-PA) | March 4, 1849 | |
| 45 | Henry Clay (W-KY) | March 4, 1849 | |
| 46 | James Shields (D-IL) | October 27, 1849 | |
| 47 | Jeremiah Clemens (D-AL) | November 30, 1849 | |
| 48 | Thomas Pratt (D-MD) | January 12, 1850 |
| 49 | Franklin Elmore (D-SC) | April 11, 1850 |
| 50 | Robert Barnwell (D-SC) | June 4, 1850 |
| 51 | Thomas Ewing (W-OH) | July 20, 1850 |
| 52 | Robert Winthrop (W-MA) | July 22, 1850 | Former representative |
| 53 | William M. Gwin (D-CA) | September 9, 1850 | Former representative |
| 54 | Robert Rhett (D-SC) | December 18, 1850 | Former representative |
| 55 | Robert Rantoul, Jr. (D-MA) | February 1, 1851 |
| 56 | Solomon Foot (R-VT) | March 4, 1851 | Former representative |
| 57 | James A. Bayard Jr. (D-DE) | March 4, 1851 | |
| 58 | Stephen Mallory (D-FL) | March 4, 1851 | |
| 59 | Henry S. Geyer (W-MO) | March 4, 1851 | |
| 60 | Richard Brodhead (D-PA) | March 4, 1851 | Former representative |
| 61 | Charles T. James (D-RI) | March 4, 1851 | |
| 62 | James C. Jones (W-TN) | March 4, 1851 | |
| | Benjamin Wade (W-OH) | March 15, 1851 |
| | Hamilton Fish (W-NY) | December 1, 1851 | Former representative, former governor and former lieutenant governor |
| | John J. McRae (D-MS) | December 1, 1851 | |
| | Walker Brooke (W-MS) | February 18, 1852 | |
| | Stephen Adams (W-MS) | March 17, 1852 | Former representative |
| | William F. De Saussure (D-SC) | May 10, 1852 | |
| | Isaac Toucey (D-CT) | May 12, 1852 | |
| | Robert M. Charlton (D-GA) | May 31, 1852 | |
| | David Meriwether (D-KY) | July 6, 1852 | |
| | Archibald Dixon (W-KY) | September 1, 1852 | |
| | Charles W. Cathcart (D-IN) | December 6, 1852 | Former representative |
| | Benjamin Fitzpatrick (D-AL) | January 14, 1853 | Former governor |
| | Samuel Shethar Phelps (W-VT) | January 17, 1853 | |
| | John Pettit (D-IN) | January 18, 1853 | Former representative |