In 2025, 17 US boys were named Demetrio, making it the 5,441st most common boys’ name of the year, down 1,214 places from #4,227 in 2024. That is 8 fewer than the 25 boys named Demetrio in 2024. Its best rank for boys was #1,240, reached in 1964. The most boys given the name in a single year was 88, in 1999. For comparison, it was #3,451 in 2015 and #1,548 in 1950.
Social Security card records list Demetrio in 116 years of the 146 from 1880 to 2025, starting in 1908 with 6 babies. In all, 3,064 US babies have been given the name, all of them boys. Its busiest decade was the 2000s, with 486 babies named Demetrio.
Over the 10 years from 2016 to 2025, 223 US boys were named Demetrio; the busiest of those years was 2016, with 33. In 2025 that was about 1 in 100,475 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Demetrius (37,791 babies since 1880), Dimitri (9,693 babies since 1880), Demetri (4,269 babies since 1880) and Demetrios (2,770 babies since 1880).