Duke has been given to about 11,595 people in the United States since 1880. It was most common in 2018, which makes it a current name.
Duke ranks 695th among American boys in 2025, with 390 born that year. Its best year was 2018, when 529 babies were given the name, ranking 533rd. The typical living American called Duke is about 12 years old today. It is relatively most common in Hawaii, where it accounts for 0.12% 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.