George Washington (1789–1797) - No Party (Independent)
John Adams (1797–1801) - Federalist
Thomas Jefferson (1801–1809) - Democratic-Republican
James Madison (1809–1817) - Democratic-Republican
James Monroe (1817–1825) - Democratic-Republican
John Quincy Adams (1825–1829) - Democratic-Republican
Andrew Jackson (1829–1837) - Democratic
Martin Van Buren (1837–1841) - Democratic
William Henry Harrison (1841) - Whig
John Tyler (1841–1845) - Whig (expelled from the party)
James K. Polk (1845–1849) - Democratic
Zachary Taylor (1849–1850) - Whig
Millard Fillmore (1850–1853) - Whig
Franklin Pierce (1853–1857) - Democratic
James Buchanan (1857–1861) - Democratic
Abraham Lincoln (1861–1865) - Republican
Andrew Johnson (1865–1869) - National Union (Democratic, as he was a Southern Democrat, but ran with Lincoln)
Ulysses S. Grant (1869–1877) - Republican
Rutherford B. Hayes (1877–1881) - Republican
James A. Garfield (1881) - Republican
Chester A. Arthur (1881–1885) - Republican
Grover Cleveland (1885–1889) - Democratic
Benjamin Harrison (1889–1893) - Republican
Grover Cleveland (1893–1897) - Democratic (second non-consecutive term)
William McKinley (1897–1901) - Republican
Theodore Roosevelt (1901–1909) - Republican
William Howard Taft (1909–1913) - Republican
Woodrow Wilson (1913–1921) - Democratic
Warren G. Harding (1921–1923) - Republican
Calvin Coolidge (1923–1929) - Republican
Herbert Hoover (1929–1933) - Republican
Franklin D. Roosevelt (1933–1945) - Democratic
Harry S. Truman (1945–1953) - Democratic
Dwight D. Eisenhower (1953–1961) - Republican
John F. Kennedy (1961–1963) - Democratic
Lyndon B. Johnson (1963–1969) - Democratic
Richard Nixon (1969–1974) - Republican
Gerald Ford (1974–1977) - Republican
Jimmy Carter (1977–1981) - Democratic
Ronald Reagan (1981–1989) - Republican
George H. W. Bush (1989–1993) - Republican
Bill Clinton (1993–2001) - Democratic
George W. Bush (2001–2009) - Republican
Barack Obama (2009–2017) - Democratic