A study reported in 2018 that the average height of American women aged 20 and older is 5 feet 4 inches. The study tracked changes in body mass index (BMI), waist size, and weight between 1999 and 2016. You and your healthcare practitioner should be aware of the typical height and where yours falls in relation to that about average height american women. While the study discovered that there was little to no change in height between 1999 and 2016 for the majority of demographics