AgeName

How old is someone named Koa?

The average Koa is 6 years old.

Half of all living Koas are between 2 and 7.

Estimated alive
8.5K
Median age
4
Peak year
2025
Mostly
Gen Alpha

Koa has been rising for years and peaked in 2025, so most Koas are still kids.

Popular names of 2025 · The most popular names of the 2020s →

Show the numbers by decade
Babies named Koa by decade, and how many are estimated alive today
Born inBabies bornAlive today
1970s12under 100
1980s34under 100
1990s96under 100
2000s481470
2010s1,7971,800
2020s6,1286,100

How many Koas are still alive?

About 8,500 Koas are alive in the US today. That's over 99% of the roughly 8,500 babies named Koa since 1978.

Nearly every Koa ever born is still alive, because almost all of them are young.

What generation is the name Koa?

About nine in ten living Koas are in Gen Alpha, born in 2013 or later.

See all Gen Alpha names →

Is Koa an old name?

No. Koa is one of the youngest names around: younger than 99 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Koa will be 19 in 2056, so the name is aging slowly.

Names that sound young →

Is Koa a boy or girl name?

Mostly a boy's name: 90% of living Koas are men, and 10% are women.

The women average 7 and the men 6.

Names the same age as Koa

NAME TWIN

Koa's name twin is Banks. Of all 3,713 names on AgeByName, Banks's age curve is the closest match to Koa's: 92% alike.

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Questions about the name Koa

How old is the average Koa?

The average Koa in the US is 6 years old. The median is 4, so half are older and half younger.

How many people are named Koa?

About 8,500 Koas are alive in the US today, out of roughly 8,500 babies given the name since 1978.

When was the name Koa most popular?

In 2025, when about 1,400 baby boys were named Koa.

Is Koa a Gen Alpha name?

Yes. About 89% of living Koas are in Gen Alpha, born in 2013 or later.

Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this