In 2025, 25 US boys were named Karsten, making it the 4,194th most common boys’ name of the year, down 261 places from #3,933 in 2024. That is 3 fewer than the 28 boys named Karsten in 2024. Its best rank for boys was #1,249, reached in 2001. The most boys given the name in a single year was 135, in 2010. For comparison, it was #2,044 in 2015 and #3,508 in 1950.
In 2025, 5 US girls were named Karsten, making it the 16,079th most common girls’ name of the year. Its best rank for girls was #7,063, reached in 1997. That year also had the most girls given the name: 13. For comparison, it was unranked (under five girls) in 2015 and unranked in 1950.
Social Security card records list Karsten in 67 years of the 146 from 1880 to 2025, starting in 1950 with 6 babies. In all, 3,424 US babies have been given the name, 5.0% of them girls and 95% boys. Its busiest decade was the 2000s, with 1,156 babies named Karsten.
Over the 10 years from 2016 to 2025, 446 US boys were named Karsten; the busiest of those years was 2016, with 77. In 2025 that was about 1 in 68,323 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Carsten (2,377 babies since 1880). Rarer spellings such as Karston, Carston and Karstyn are summarised on this page.