Kasen has been given to about 11,538 people in the United States since 1880. It was most common in 2019, which makes it a current name.
Kasen ranks 484th among American boys in 2025, with 628 born that year. Its best year was 2019, when 742 babies were given the name, ranking 419th. The typical living American called Kasen is about 10 years old today. It is relatively most common in South Dakota, where it accounts for 0.10% 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.