By The Numbers: U.S. Presidents

1

Number of U.S. presidents elected from the Federalist Party: John Adams.

2

Number of U.S. presidents elected from the Whig Party: William Henry Harrison, John Tyler.

4

Number of presidents elected from the Democratic-Republican Party: Thomas Jefferson, James Madison, James Monroe, John Quincy Adams.

9

Number of presidents who were less than 50 years old when elected: James K. Polk was 49 when he took office as the 11th president on March 4, 1845; Franklin Pierce was 48 when he took office as the 14th president on March 4, 1853; Ulysses S. Grant was 47 when he took office as the 18th president on March 4, 1869; James Garfield was 49 when he took office as the 20th president on March 4, 1881; Grover Cleveland was 48 when he took office the first time as the 22nd president on March 4, 1885 (Cleveland is the only president to serve two non-consecutive terms – he was elected again as the 24th president in 1892); Theodore Roosevelt was 43 when he took office as the 26th president on Sept. 14, 1901; John F. Kennedy was 44 when he took office as the 35th president on Jan. 20, 1961; Bill Clinton was 46 when he took office as the 42nd president on Jan. 20, 1993; Barack Obama was 47 when he took office as the 44th president on Jan. 20, 2009.

16

Number of U.S. presidents elected from the Democratic Party: Andrew Jackson, Martin Van Buren, James K. Polk, Franklin Pierce, James Buchanan, Andrew Johnson, Grover Cleveland (twice), Woodrow Wilson, Franklin D. Roosevelt, Harry S. Truman, John F. Kennedy, Lyndon Johnson, Jimmy Carter, Bill Clinton, Barack Obama.

18

Number of U.S. presidents elected from the Republican Party: Abraham Lincoln, Ulysses S. Grant, Rutherford B. Hayes, James A. Garfield, Chester A. Arthur, Benjamin Harrison, William McKinley, Theodore Roosevelt, William Howard Taft, Warren G. Harding, Calvin Coolidge, Herbert Hoover, Dwight Eisenhower, Richard Nixon, Gerald Ford, Ronald Reagan, George H.W. Bush, George W. Bush.