Riko is a very rare variant of Rikki that peaked in 2017 and has grown less common since.
Riko is predominantly a girl name. It last appears in U.S. records in 2024. Riko was first reported in SSA data in 1978 and peaked in 2017 (12 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2024 | 6 | 6 | — | #12,053 |
| 2023 | 13 | 13 | #13,186 | #11,958 |
| 2022 | 11 | 11 | #14,944 | #13,910 |
| 2021 | 10 | 10 | #17,181 | #13,677 |
| 2020 | 8 | 8 | — | #9,380 |
| 2019 | 6 | 6 | — | #11,849 |
| 2018 | 11 | 11 | #17,638 | #11,847 |
| 2017 | 18 | 18 | #9,236 | #11,908 |
| 2016 | 6 | 6 | #15,850 | — |
| 2015 | 12 | 12 | #14,208 | #13,623 |
| 2014 | 5 | 5 | #18,658 | — |
| 2013 | 5 | 5 | #18,735 | — |
| 2012 | 10 | 10 | #18,980 | #13,800 |
| 2010 | 5 | 5 | #19,247 | — |
| 2009 | 7 | 7 | #14,901 | — |
| 2008 | 9 | 9 | #12,388 | — |
| 2007 | 5 | 5 | #19,901 | — |
| 2005 | 9 | 9 | #11,625 | — |
| 2002 | 10 | 10 | #10,082 | — |
| 1989 | 6 | — | — | #7,700 |
| 1985 | 5 | — | — | #7,366 |
| 1980 | 7 | — | — | #5,391 |
| 1979 | 6 | — | — | #5,905 |
| 1978 | 6 | — | — | #5,619 |