In 2025, 66 US boys were named Demarcus, making it the 2,168th most common boys’ name of the year, down 11 places from #2,157 in 2024. That is 2 fewer than the 68 boys named Demarcus in 2024. Its best rank for boys was #429, reached in 1988. The most boys given the name in a single year was 511, in 1991. For comparison, it was #1,082 in 2015 and unranked in 1950.
Social Security card records list Demarcus in 62 years of the 146 from 1880 to 2025, starting in 1956 with 5 babies. In all, 13,647 US babies have been given the name, 0.2% of them girls and 99.7% boys. Its busiest decade was the 1990s, with 4,252 babies named Demarcus.
Over the 10 years from 2016 to 2025, 1,168 US boys were named Demarcus; the busiest of those years was 2017, with 171. In 2025 that was about 1 in 25,880 of the boys in SSA’s list for the year.
Among the states, Demarcus ranked highest in Mississippi in 2025, at #548 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Demarkus (1,237 babies since 1880). Rarer spellings such as Demarquis, Demarques and Demarkis are summarised on this page.