The baby name Koa appears in baby name data for the United States from 1978 to 2024. It was most popular in 2024 with 1,192 babies given the name.
In the later years of this period, Koa has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1978 | 14 |
| 1993 | 14 |
| 1995 | 20 |
| 1996 | 12 |
| 1998 | 12 |
| 1999 | 16 |
| 2000 | 14 |
| 2001 | 10 |
| 2002 | 12 |
| 2003 | 16 |
| 2004 | 24 |
| 2005 | 18 |
| 2006 | 12 |
| 2007 | 18 |
| 2008 | 14 |
| 2009 | 26 |
| 2010 | 28 |
| 2011 | 26 |
| 2012 | 41 |
| 2013 | 67 |
| 2014 | 62 |
| 2015 | 96 |
| 2016 | 60 |
| 2017 | 155 |
| 2018 | 212 |
| 2019 | 239 |
| 2020 | 424 |
| 2021 | 8 |
| 2021 | 594 |
| 2022 | 65 |
| 2022 | 945 |
| 2023 | 92 |
| 2023 | 1,124 |
| 2024 | 89 |
| 2024 | 1,192 |