Koa is a boy name. In 2025 it ranked #477 for boy births in the United States, given to 1,413 babies. Koa first appears in the data in 1978 and reached its peak in 2025 (1,413 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 2025 | 1,413 | #477 |
| 2024 | 1,288 | #526 |
| 2023 | 1,238 | #535 |
| 2022 | 1,062 | #632 |
| 2021 | 595 | #1,021 |
| 2020 | 532 | #1,091 |
| 2019 | 368 | #1,433 |
| 2018 | 295 | #1,681 |
| 2017 | 245 | #1,915 |
| 2016 | 161 | #2,580 |
| 2015 | 173 | #2,445 |
| 2014 | 125 | #3,018 |
| 2013 | 124 | #3,026 |
| 2012 | 128 | #2,959 |
| 2011 | 95 | #3,601 |
| 2010 | 83 | #4,033 |
| 2009 | 95 | #3,738 |
| 2008 | 84 | #4,068 |
| 2007 | 62 | #4,998 |
| 2006 | 47 | #5,877 |
| 2005 | 48 | #5,553 |
| 2004 | 39 | #6,227 |
| 2003 | 29 | #7,477 |
| 2002 | 33 | #6,622 |
| 2001 | 17 | #10,636 |
| 2000 | 27 | #7,439 |
| 1999 | 22 | #8,216 |
| 1998 | 10 | #14,125 |
| 1997 | 12 | #12,073 |
| 1996 | 17 | #9,251 |
| 1995 | 13 | #10,982 |
| 1994 | 7 | #17,129 |
| 1993 | 8 | #15,458 |
| 1992 | 7 | #16,801 |
| 1984 | 8 | #11,904 |
| 1982 | 8 | #12,029 |
| 1981 | 6 | #14,867 |
| 1980 | 12 | #8,892 |
| 1979 | 5 | #16,701 |
| 1978 | 7 | #12,472 |