James Madison was 5’4” tall.
Other short presidents were:
Presidents under five foot nine were:
•Rutherford B. Hayes (five foot eight and a half)
•William Henry Harrison
•James K. Polk
•Zachary Tyler
•Ulysses S. Grant (five foot eight)
•John Quincy Adams (five foot seven and a half)
•John Adams
•William McKinley (five foot seven)
•Benjamin Harrison
•Martin Van Buren (five foot six)
Therefore, Madison was the shortest president ever by two inches.