| State, Political Party, and Term Year(s) | U.S. Senator | % Correct |
|---|---|---|
| New York, Democrat, 2001-2009 | Hillary Clinton | 95%
|
| Arizona, Republican, 1987-2018 | John McCain | 92%
|
| Delaware, Democrat, 1973-2009 | Joe Biden | 87%
|
| Massachusetts, Democrat, 1962-2009 | Ted Kennedy | 87%
|
| Illinois, Democrat, 2005-2008 | Barack Obama | 84%
|
| Tennessee, Democrat, 1985-1993 | Al Gore, Jr. | 82%
|
| Connecticut, Democrat/Independent, 1989-2013 | Joe Lieberman | 82%
|
| Wisconsin, Republican, 1947-1957 | Joseph McCarthy | 82%
|
| Texas, Democrat, 1949-1961 | Lyndon Johnson | 82%
|
| Massachusetts, Democrat, 1953-1960 | John F. Kennedy | 79%
|
| California, Republican, 1950-1953 | Richard Nixon | 79%
|
| Wisconsin, Republican, 1906-1925 | Robert La Follette | 79%
|
| Ohio, Republican, 1939-1953 "Mr. Republican" | Robert Taft | 79%
|
| Minnesota, Democratic-Farmer-Labor, 1964-1976 | Walter Mondale | 79%
|
| Kansas, Republican, 1969-1996 | Bob Dole | 76%
|
| Minnesota, Democratic-Farmer-Labor, 1949-1964, 1971-1978 | Hubert Humphrey | 76%
|
| West Virginia, Democrat, 1959-2010 | Robert Byrd | 76%
|
| South Carolina, Democrat/then Republican, 1954-1956, 1956-2003 | Strom Thurmond | 76%
|
| California, Democrat, 1993-2017 | Barbara Boxer | 74%
|
| Missouri, Democrat, 1935-1945 | Harry Truman | 74%
|
| Indiana, Republican, 1981-1989 | Dan Quayle | 71%
|
| South Dakota, Democrat, 1963-1981 | George McGovern | 71%
|
| Nevada, Democrat, 1987-2017 | Harry Reid | 71%
|
| Illinois, Democrat, 1847-1861 | Stephen Douglas | 71%
|
| Arizona, Republican, 1953-1965, 1969-1987 | Barry Goldwater | 68%
|
| Hawaii, Democrat, 1963-2012 | Daniel Inouye | 68%
|
| Kentucky, Democratic-Republican/Anti-Jacksonian/Whig, 1806-1807, 1810-1811, 1831-1842, 1849-1852 | Henry Clay | 68%
|
| Massachusetts, Democrat, 1985-2013 | John Kerry | 68%
|
| Maine, Republican, 1995-2013 | Olympia Snowe | 68%
|
| Minnesota, Democratic-Farmer-Labor, 1959-1971 (1968 anti-war candidate) | Eugene McCarthy | 66%
|
| Massachusetts, Republican, 1893-1924 | Henry Cabot Lodge | 66%
|
| South Carolina, Nullifier/Democrat, 1832-1843, 1845-1850 | John C. Calhoun | 66%
|
| Utah, Republican, 1977-2019 | Orrin Hatch | 66%
|
| Pennsylvania, Republican for 4 full terms/Democrat in last term, 1981-2011 | Arlen Specter | 63%
|
| Alaska, Republican, 1968-2009 | Ted Stevens | 63%
|
| Tennessee, Democrat/Unionist/Democrat, 1857-1862, 1875 | Andrew Johnson | 61%
|
| North Carolina, Republican, 1973-2003 | Jesse Helms | 61%
|
| New York, Democrat, 1965-1968 | Robert F. Kennedy | 61%
|
| Mississippi, Democrat, 1847-1851 | Jefferson Davis | 58%
|
| Virginia, Anti-Administration, 1790-1794 | James Monroe | 55%
|
| Ohio, Democrat, 1974-1999 | John Glenn | 55%
|
| Texas, Democrat, 1846-1859 | Sam Houston | 55%
|
| Ohio, Republican, 1915-1921 | Warren Harding | 53%
|
| Colorado, Democrat/Republican since 1995, 1992-2005 | Ben Nighthorse Campbell | 50%
|
| Massachusetts, Anti-Jacksonian/Whig, 1827-1841, 1845-1850 | Daniel Webster | 47%
|
| New Hampshire, Democrat, 1837-1842 | Franklin Pierce | 47%
|
| Massachusetts, Federalist, 1803-1808 | John Quincy Adams | 47%
|
| New York, Anti-Administration/Democratic-Republican, 1791-1797 | Aaron Burr | 45%
|
| Indiana, Republican, 1881-1887 | Benjamin Harrison | 39%
|
| Pennsylvania, Jacksonian/Democrat, 1834-1845 | James Buchanan | 39%
|
| Idaho, Republican, 1907-1940 | William Borah | 39%
|
| Maine, Democrat first term/Republican afterward, 1848-1857, 1857-1861, 1869-1881 | Hannibal Hamlin | 37%
|
| New York, Democratic-Republican/Jacksonian, 1821-1828 | Martin Van Buren | 37%
|
| Massachusetts, Free Soil/Republican/Liberal Republican, 1851-1874 | Charles Sumner | 34%
|
| Virginia, Jacksonian/Anti-Jacksonian, 1827-1836 | John Tyler | 34%
|
| Michigan, Democrat, 1845-1848, 1849-1857 | Lewis Cass | 34%
|
| New York, Whig/Republican, 1849-1861 | William Seward | 34%
|
| New York, Republican, 1867-1881 (Republican political boss of NY) | Roscoe Conkling | 32%
|
| Ohio, Anti-Jacksonian, 1825-1828 | William Henry Harrison | 32%
|
| Mississippi, Republican, 1870-1871 | Hiram Rhodes Revels | 29%
|
| Missouri, Democrat, 1821-1851 | Thomas Hart Benton | 29%
|
| Alabama, Democratic-Republican/Jacksonian/Democrat, 1819-1844, 1848-1852 | William Rufus King | 29%
|
| New Jersey, Federalist, 1793-1796 (first in large NJ political dynasty) | Frederick Frelinghuysen | 26%
|
| Ohio, Republican, 1861-1877, 1881-1897 | John Sherman | 24%
|
| Tennessee, Whig/Know Nothing, 1847-1859 | John Bell | 18%
|
| Rhode Island, Republican, 1875-1881 | Ambrose Burnside | 16%
|
| Ohio, Whig/Republican, 1851-1869 (leading Radical Republican) | Benjamin Wade | 13%
|
| Oklahoma, Democrat, 1949-1963 | Robert Kerr | 13%
|
| Pennsylvania, Democrat first term/Republican other terms, 1845-1849, 1857-1861, 1867-1877 (Lincoln's Secretary of War) | Simon Cameron | 13%
|