Zack Boy
How popular is Zack?
#1,425 boy name in 2025
126 baby boys were named Zack in the US in 2025, making it the 1425th most popular boy name.
Zack popularity over time
| Rank in 2025 | #1,425 for boys (▼ 38 from 2024) |
|---|---|
| Babies in 2025 | 126 boys |
| 10-year trend | Falling (-17% babies vs 2015) |
| Earlier ranks | #1,216 in 2015, #1,297 in 2020 |
| Peak year | 2008 (237 boys) |
| Highest rank | #309 in 1883 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Zack counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Zack family of names ranked #1,062 for boys in 2025 (#1,005 the year before), with 175 babies in all.
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Zack is most popular
Babies named Zack per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- New Jersey: 0.2 per 1,000 (50 boys)
- New York: 0.2 per 1,000 (92 boys)
- Florida: 0.2 per 1,000 (74 boys)
- California: 0.1 per 1,000 (127 boys)
- North Carolina: 0.1 per 1,000 (21 boys)
Zack by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 222 | #309 |
| 1890s | 183 | #345 |
| 1900s | 132 | #419 |
| 1910s | 371 | #789 |
| 1920s | 503 | #866 |
| 1930s | 361 | #982 |
| 1940s | 289 | #1,031 |
| 1950s | 361 | #1,188 |
| 1960s | 299 | #1,136 |
| 1970s | 378 | #1,268 |
| 1980s | 592 | #1,045 |
| 1990s | 950 | #1,017 |
| 2000s | 1,872 | #886 |
| 2010s | 1,658 | #966 |
| 2020s | 841 | #1,267 |
Boy names about as popular as Zack
Questions
- Is Zack a boy or girl name?
- Zack is mostly a boy name. Over the last 10 years, 100% of babies named Zack were boys.
- How popular is the name Zack?
- 126 baby boys were named Zack in the US in 2025, making it the 1425th most popular boy name.
- When was Zack most popular?
- Zack peaked in 2008, when 237 boys were given the name. Its highest rank was #309 in 1883.
- How many people are named Zack?
- 9,012 babies have been named Zack in the US since 1880. We estimate about 6,860 of them are alive in 2026, with a median age of 21.
- Where is Zack most popular?
- From 2021 to 2025, Zack was most common in New Jersey, at 0.2 of every 1,000 boys 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.