In 2025, 523 US boys were named Colsen, making it the 566th most common boys’ name of the year, up 65 places from #631 in 2024. That is 81 more than the 442 boys named Colsen in 2024. Its best rank for boys was #566, reached in this year, 2025. That year also had the most boys given the name: 523. For comparison, it was #3,244 in 2015 and unranked in 1950.
Social Security card records list Colsen in 25 years of the 146 from 1880 to 2025, starting in 2001 with 7 babies. In all, 1,710 US babies have been given the name, all of them boys. Its busiest decade was the 2020s, with 1,280 babies named Colsen.
Over the 10 years from 2016 to 2025, 1,416 US boys were named Colsen; the busiest of those years was 2025, with 523. In 2025 that was about 1 in 3,266 of the boys in SSA’s list for the year.
Among the states, Colsen ranked highest in Mississippi in 2025, at #175 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Colson (9,729 babies since 1880), Kolson (2,084 babies since 1880) and Kolsen (813 babies since 1880).