Girl & boy name
Koa
As of 2025, Koa ranks #269 among American boys' names, according to Social Security records. 1,281 boys received the name that year. It has climbed from #582 to #269 over the past five years. Remarkably, 2025 is the strongest year in the entire SSA record for Koa, which stretches back to 1978. Geographically, it's strongest in Hawaii, where it ranks #28 among boy names.
Rankings
Koa popularity, 1880–2025
Where Koa is most popular
Uniqueness score
A familiar pick that most people will recognize instantly. Based on how many babies per birth were named Koa in the most recent year of SSA data.
Koa as a girl name
Koa is currently the #1587 girl name in the United States, based on 2025 Social Security data. In raw numbers: 132 babies. Momentum is clearly positive: five years ago it ranked #2931, now it sits at #1587. Looking at the full record since 1979, Koa hit its all-time high of #1559 in 2024, when 136 girls were given the name. State by state, Louisiana leads the way at #597.
Where Koa (girls) is most popular
Uniqueness score
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Koa in the most recent year of SSA data.