Casen has been given to about 6,655 people in the United States since 1880. It was most common in 2014, which makes it a millennial-parent name.
Casen ranks 842nd among American boys in 2025, with 293 born that year. Its best year was 2014, when 437 babies were given the name, ranking 611th. The typical living American called Casen is about 10 years old today. It is relatively most common in West Virginia, where it accounts for 0.05% 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.