Koa is a moderately popular boys' name in United States, ranking #350 in 2022 with 941 recorded births. The name reached its all-time peak in 2024 with 1,145 births ranking #292. Since 1996, the popularity has increased by 5,435.3%. In 2022, approximately 1 in every 1,854 boys born was named Koa. RISING Recent data shows the name is currently rising.