How old is someone named Zack?
The average Zack is 26 years old.
Half of all living Zacks are between 12 and 34.
When was Zack popular?
Zack was popular around 1881, faded for decades, and is back: 126 babies got the name in 2025.
Popular names of 2008 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 132 | 0 |
| 1910s | 371 | 0 |
| 1920s | 503 | 0 |
| 1930s | 361 | under 100 |
| 1940s | 289 | 130 |
| 1950s | 361 | 240 |
| 1960s | 299 | 240 |
| 1970s | 378 | 340 |
| 1980s | 592 | 560 |
| 1990s | 950 | 920 |
| 2000s | 1,872 | 1,800 |
| 2010s | 1,658 | 1,600 |
| 2020s | 841 | 840 |
How many Zacks are still alive?
About 6,800 Zacks are alive in the US today. That's 75% of the roughly 9,000 babies named Zack since 1880.
Most Zacks ever born are still alive.
What generation is the name Zack?
About two in five living Zacks are in Gen Z, born between 1997 and 2012.
Is Zack an old name?
Not really. Zack is younger than 57 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Zack will be 36 in 2056, so the name is aging slowly.
Is Zack a boy or girl name?
Almost entirely boys: over 99.9% of living Zacks are men.
Names the same age as Zack
NAME TWIN
Zack's name twin is Ivan. Of all 3,713 names on AgeByName, Ivan's age curve is the closest match to Zack's: 93% alike.
Think you can guess a Linda's age?
Ten names, one slider each. Share your score.
Questions about the name Zack
How old is the average Zack?
The average Zack in the US is 26 years old. The median is 21, so half are older and half younger.
How many people are named Zack?
About 6,800 Zacks are alive in the US today, out of roughly 9,000 babies given the name since 1880.
When was the name Zack most popular?
In 2008, when about 240 baby boys were named Zack.
Is Zack a Gen Z name?
Partly. Gen Z are the largest group, about 40% of living Zacks, but the name spans several generations.
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