Eight is the answer.
There has been only two democratic presidents elected since Ronald Reagan, they are Bill Clinton and Barack Obama.
Woodrow WilsonFranklin RooseveltHarry TrumanJohn KennedyLyndon JohnsonJimmy CarterBill ClintonBarack ObamaEight is the answer.
Republican Presidents elected since 1900William McKinley (elected 1900) Theodore Roosevelt (elected 1904)William Howard Taft (elected 1908)Warren Harding (elected 1920)Calvin Coolidge (elected 1924)Herbert Hoover (elected 1928)Dwight Eisenhower (elected 1952 and 1956)Richard Nixon (elected 1968 and 1972)Ronald Reagan (elected 1980 and 1984)George H. W. Bush (elecrted 1988)George W. Bush (elected 2000 and 2004)note: Gerald Ford finished Nixon's second term as president but was not elected.
Presidents are elected to 4 year terms, with a maximum serving time of 10 years. Clinton's 2 terms have ended, and new presidents have since been elected.
Polk was the youngest president at the time, but several younger presidents have been elected since.
three
U.S. Presidents have been elected at various intervals since the founding of the nation. The first President, George Washington, was elected in 1788 and served until 1797. Subsequent presidents have been elected every four years, with notable examples including Abraham Lincoln in 1860, Franklin D. Roosevelt in 1932, and Joe Biden in 2020. Each election reflects the political climate and societal changes of its time.
There have been five different Democratic presidents since 1950 including the current President Obama. The Democrats won the White House in 1960, 1964,1976, 1992, 1996 and 2008.
John Adams and John Quincy Adams were the first father-son Presidents elected into office.
20
Neither since World War 2, there has been 5 Democratic US Presidents.
Nine