The average height is about 5 ft 4 in- about 5ft 6 in. I think that is about right. I may be an inch or so off, but that has got to be close. I would imagine that it would be a little taller for a man since men are usually bigger than women.
The avergae height of a woman in the United States is 5 feet, 4 inches. That average has been true for many years. It is worth noting that the exception is Mexican-American women, who average only 5 feet 2 inches.