Kylen has been given to about 5,424 people in the United States since 1880. It was most common in 2025, which makes it a current name.
Kylen ranks 879th among American boys in 2025, with 295 born that year. Its best year was 2025, when 295 babies were given the name, ranking 879th. The typical living American called Kylen is about 11 years old today. It is relatively most common in Arkansas, where it accounts for 0.03% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.