Zo Boy & girl
How popular is Zo?
#13,204 girl name in 2025
6 baby girls were named Zo in the US in 2025, making it the 13204th most popular girl name. Another 7 boys got the name (#9,710 for boys).
408living people named Zo (est.)
7median age of people named Zo
411babies named Zo since 1880
1 in 255,026US babies born in 2025
Zo popularity over time
Boys Girls
| Rank in 2025 | #13,204 for girls (▼ 2087 from 2024) |
|---|---|
| Babies in 2025 | 6 girls, 7 boys |
| 10-year trend | Falling fast (-57% babies vs 2015) |
| Earlier ranks | #8,004 in 2015, #3,840 in 2020 |
| Peak year | 2017 (40 girls) |
| Highest rank | #3,768 in 2017 |
| First recorded | 1957 |
| Boys vs girls (last 10 years) | 28% boys, 72% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Zo is most popular
Babies named Zo per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
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- Arizona: 0.2 per 1,000 (34 girls)
- South Carolina: 0.1 per 1,000 (5 girls)
Zo by decade
Girl names about as popular as Zo
Questions
- Is Zo a boy or girl name?
- Zo is used for both. Over the last 10 years, 28% of babies named Zo were boys and 72% were girls.
- How popular is the name Zo?
- 6 baby girls were named Zo in the US in 2025, making it the 13204th most popular girl name. Another 7 boys got the name (#9,710 for boys).
- When was Zo most popular?
- Zo peaked in 2017, when 40 girls were given the name. Its highest rank was #3,768 in 2017.
- How many people are named Zo?
- 411 babies have been named Zo in the US since 1880. We estimate about 408 of them are alive in 2026, with a median age of 7.
- Where is Zo most popular?
- From 2021 to 2025, Zo was most common in Arizona, at 0.2 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.