Koa is a distinctive boys' name in United States, ranking #546 in 2021 with 535 recorded births. The name reached its all-time peak in 2024 with 1,145 births ranking #292. Since 1996, the popularity has increased by 3,047.1%. In 2021, approximately 1 in every 3,268 boys born was named Koa. RISING Recent data shows the name is currently rising.