In 2025, 47 US boys were named Miko, making it the 2,743rd most common boys’ name of the year, down 307 places from #2,436 in 2024. That is 10 fewer than the 57 boys named Miko in 2024. Its best rank for boys was #1,981, reached in 2023. That year also had the most boys given the name: 78. For comparison, it was #3,560 in 2015 and unranked in 1950.
In 2025, 23 US girls were named Miko, making it the 5,506th most common girls’ name of the year, up 7,519 places from #13,025 in 2024. That is 16 more than the 7 girls named Miko in 2024. Its best rank for girls was #2,524, reached in 1971. That year also had the most girls given the name: 30. For comparison, it was #10,640 in 2015 and unranked in 1950.
Social Security card records list Miko in 59 years of the 146 from 1880 to 2025, starting in 1963 with 6 babies. In all, 1,593 US babies have been given the name, 38% of them girls and 62% boys. Its busiest decade was the 2020s, with 444 babies named Miko.
Over the 10 years from 2016 to 2025, 508 US boys were named Miko; the busiest of those years was 2023, with 78. In 2025 that was about 1 in 36,342 of the boys in SSA’s list for the year.
Among the states, Miko ranked highest in California in 2025, at #1,938 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Mikael (6,239 babies since 1880). Rarer spellings such as Miyoko, Mieko and Meko are summarised on this page.