Boy or Girl

Is Koa a boy or girl name?

Koa is mostly a boy name in the US. In 2024, 136 girls and 1,145 boys were named Koa, so 10.6% were girls. Across 1880–2024, 10% of the 7,124 US babies named Koa were girls.

Boy rank, 2024
#292
Girl rank, 2024
#1,563
Babies named Koa since 1978
7,124
Most popular year
2024
1,281 babies
Babies named Koa each year in the US
Line chart of US births named Koa from 1978 to 2024, boys and girls. The table below has every value.05001,0001,5002,000198020002020

Boys and girls named Koa, by decade

DecadeBoysGirlsShare girls
1970s7541.7%
1980s132161.8%
1990s9600%
2000s4324910.2%
2010s1,6471498.3%
2020s4,21549010.4%
Every year
YearBoysBoy rankGirlsGirl rank
20241,145#292136#1,563
20231,118#298119#1,730
2022941#350121#1,725
2021535#54659#2,867
2020476#58355#2,948
2019326#74042#3,643
2018277#81117#6,955
2017223#93822#5,751
2016153#1,2278#12,362
2015162#1,15811#9,838
2014112#1,46113#8,737
2013113#1,46311#9,946
2012118#1,41310#10,879
201188#1,6967#14,115
201075#1,9068#12,915
200981#1,83514#8,684
200877#1,8897#14,643
200756#2,3246#16,611
200641#2,8116#16,200
200542#2,6406#15,521
200439#2,7250–
200329#3,2410–
200233#2,8560–
200117#4,5970–
200017#4,49010#9,554
199922#3,5370–
199810#6,1000–
199712#5,1340–
199617#3,9380–
199513#4,6720–
19947#7,4070–
19938#6,5720–
19927#7,0840–
19910–0–
19900–0–
19890–0–
19880–0–
19870–0–
19860–0–
19850–0–
19840–8#7,753
19830–0–
19820–8#7,824
19816#5,9070–
19807#5,2505#11,227
19790–5#11,015
19787#4,8120–

Highest rank

As a boy name, Koa reached #292 in 2024. As a girl name, it reached #1,563 in 2024. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.

Names from the same era

These names were also most popular in the 2020s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.

Names spelled like Koa

Compare Koa with another nameTry Koa with your surnameTop names of 2024More names starting with K

Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.