Quick answers about Koa
How many people are named Koa?
An estimated 7,638 living Americans are named Koa.
How rare is Koa?
Koa is moderately uncommon among babies today, with 1,281 boys receiving the name in 2025, matching its recorded peak.
How old is the typical Koa?
The median age of a living American named Koa is approximately 4 years, with most bearers falling between 2 and 7 years old.
Is Koa still popular?
Yes — Koa is currently rising in popularity, with 1,281 births in 2025. Births this decade are running about 7× higher than the previous decade.
Where is Koa most common?
Koa has its strongest geographic signal in Hawaii, where it appears 76.5× more often than the national baseline.
1978Peak 20252025
Diaspora map
Koa spread fast — broke out in Arizona, California, Hawaii, Idaho, Nebraska, Nevada, and Utah (2022) and ran high in 16 states within a decade.
Broke out: Arizona, California, Hawaii, Idaho, Nebraska, Nevada, and Utah, 2022 · over-represented in 16 states over 2 years
Origin
≤5 yrs
≤15 yrs
16+ yrs
Holdout
