The history of the Presidency shows us that Presidents come from the Governorship of a state, or the US Senate, or military leadership, or from being a Cabinet member under a President.
Only one House of Representatives member has gone directly from the lower chamber to the White House, James A. Garfield of Ohio, elected in 1880, but tragically shot after four months in office, and dying after six and a half months in September 1881.
A total of 19 Presidents served in the House of Representatives, however, including:
James Madison
John Quincy Adams
Andrew Jackson
William Henry Harrison
John Tyler
James K. Polk
Millard Fillmore
Franklin Pierce
James Buchanan
Abraham Lincoln
Andrew Johnson
Rutherford B. Hayes
James A Garfield
William McKinley
John F. Kennedy
Lyndon B. Johnson
Richard Nixon
Gerald Ford
George H. W. Bush
Some interesting observations:
Gerald Ford served the longest in the House, nearly 25 years, hoping to be Speaker of the House one day.
James A. Garfield served the second longest, almost 18 years, followed by John Quincy Adams.
James K. Polk served as Speaker of the House of Representatives as part of his service.
While only Garfield was elected President from the House, four who served in the House succeeded to the Presidency from the Vice Presidency during a term and were not elected–John Tyler, Millard Fillmore, Andrew Johnson and Gerald Ford, with Ford the only one not elected to the Vice Presidency, but rather being appointed through the 25th Amendment.
14 of the 19 Presidents who served in the House of Representatives did so before the 20th century, with only 5 serving from the 1930s to the 1970s.
When one looks at the present House of Representatives, there are a number of Democrats who are seen as potential Presidential contenders and also a few Republicans who might join the race, depending on circumstances.
For the Democrats:
Joe Kennedy III (Massachusetts)
Seth Moulton (Massachusetts)
John Delaney (Maryland)
Joaquin Castro (Texas)
Tulsi Gabbard (Hawaii)
Adam Schiff (California)
Eric Swalwell (California)
Other potential Democrats who have served in the House of Representatives in the past include:
Bernie Sanders (Vermont)
Kirsten Gillibrand (New York)
Chris Murphy (Connecticut)
Sherrod Brown (Ohio)
For the Republicans:
Mike Pence (Indiana)
Paul Ryan (Wisconsin)
John Kasich (Ohio)
Jeff Flake (Arizona)
Tom Cotton (Arkansas)