Koah is a rare variant of Koa that has climbed to its highest level yet, peaking in 2025.
Koah is predominantly a boy name. In 2025 it ranked #912 among boys (260) and #3,150 among girls (51) — overall #1,648 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 311 | 311 | #3,150 | #912 |
| 2024 | 238 | 238 | #4,006 | #1,084 |
| 2023 | 221 | 221 | #5,323 | #1,092 |
| 2022 | 160 | 160 | #8,293 | #1,298 |
| 2021 | 85 | 85 | #10,725 | #1,974 |
| 2020 | 78 | 78 | #16,408 | #1,972 |
| 2019 | 70 | 70 | #11,928 | #2,247 |
| 2018 | 42 | 42 | #14,814 | #3,208 |
| 2017 | 47 | 47 | #15,092 | #2,923 |
| 2016 | 38 | 38 | — | #3,095 |
| 2015 | 24 | 24 | — | #4,240 |
| 2014 | 28 | 28 | — | #3,739 |
| 2013 | 16 | 16 | — | #5,543 |
| 2012 | 12 | 12 | — | #6,853 |
| 2011 | 16 | 16 | — | #5,570 |
| 2010 | 20 | 20 | — | #4,773 |
| 2009 | 8 | 8 | — | #9,500 |
| 2008 | 13 | 13 | — | #6,614 |
| 2006 | 5 | 5 | — | #13,146 |
| 2005 | 6 | 6 | — | #10,872 |