Rio is an uncommon name used for both girls and boys that has climbed to its highest level yet, peaking in 2024.
Rio is predominantly a boy name. In 2025 it ranked #532 among boys (563) and #1,877 among girls (105) — overall #938 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 668 | 676 | #1,877 | #532 |
| 2024 | 704 | 711 | #1,820 | #517 |
| 2023 | 620 | 620 | #1,887 | #571 |
| 2022 | 649 | 649 | #1,751 | #560 |
| 2021 | 527 | 527 | #1,679 | #671 |
| 2020 | 396 | 396 | #2,047 | #774 |
| 2019 | 303 | 303 | #1,849 | #1,061 |
| 2018 | 249 | 249 | #2,382 | #1,126 |
| 2017 | 183 | 183 | #3,184 | #1,358 |
| 2016 | 197 | 197 | #2,821 | #1,323 |
| 2015 | 141 | 141 | #3,974 | #1,577 |
| 2014 | 149 | 149 | #3,533 | #1,547 |
| 2013 | 140 | 140 | #3,630 | #1,600 |
| 2012 | 151 | 151 | #3,256 | #1,586 |
| 2011 | 155 | 155 | #3,041 | #1,576 |
| 2010 | 168 | 168 | #2,971 | #1,490 |
| 2009 | 145 | 145 | #2,701 | #1,883 |
| 2008 | 137 | 137 | #2,989 | #1,871 |
| 2007 | 134 | 134 | #3,205 | #1,826 |
| 2006 | 116 | 116 | #3,359 | #2,006 |
| 2005 | 106 | 106 | #3,310 | #2,107 |
| 2004 | 105 | 105 | #3,609 | #1,928 |
| 2003 | 105 | 105 | #2,793 | #2,226 |
| 2002 | 85 | 85 | #3,956 | #2,086 |
| 2001 | 90 | 90 | #3,303 | #2,178 |
| 2000 | 100 | 100 | #3,503 | #1,778 |
| 1999 | 79 | 79 | #3,298 | #2,295 |
| 1998 | 94 | 94 | #2,957 | #1,951 |
| 1997 | 85 | — | #2,864 | #2,121 |
| 1996 | 89 | — | #2,788 | #1,981 |
| 1995 | 91 | — | #2,721 | #1,883 |
| 1994 | 75 | — | #3,209 | #2,114 |
| 1993 | 87 | — | #2,564 | #2,118 |
| 1992 | 78 | — | #2,764 | #2,247 |
| 1991 | 89 | — | #2,611 | #1,889 |
| 1990 | 64 | — | #3,693 | #2,118 |
| 1989 | 51 | — | #4,479 | #2,284 |
| 1988 | 43 | — | #6,175 | #2,126 |
| 1987 | 37 | — | #5,543 | #2,450 |
| 1986 | 41 | — | #3,856 | #2,763 |
| 1985 | 41 | — | #3,813 | #2,685 |
| 1984 | 35 | — | #5,462 | #2,347 |
| 1983 | 32 | — | #4,637 | #2,886 |
| 1982 | 7 | — | — | #5,494 |
| 1981 | 13 | — | — | #3,374 |
| 1980 | 12 | — | — | #3,570 |
| 1979 | 10 | — | — | #4,017 |
| 1978 | 15 | — | — | #2,898 |
| 1977 | 11 | — | — | #3,557 |
| 1976 | 8 | — | — | #4,334 |
| 1975 | 13 | — | — | #3,044 |
| 1974 | 13 | — | — | #2,912 |
| 1973 | 8 | — | — | #3,979 |
| 1972 | 6 | — | — | #4,861 |
| 1971 | 8 | — | — | #3,889 |
| 1970 | 5 | — | — | #5,294 |
| 1969 | 10 | — | — | #3,024 |
| 1968 | 6 | — | — | #4,046 |
| 1959 | 5 | — | — | #4,459 |
| 1956 | 5 | — | — | #4,359 |
| 1934 | 5 | — | — | #4,116 |
| 1930 | 8 | — | #3,607 | — |
| 1924 | 5 | — | — | #4,837 |
| 1920 | 5 | — | — | #4,840 |