Zack
Zack was the 1435th most popular name for boys in 2025, given to 126 babies. Its best year was 1883, when it ranked 317th; the most babies were born in 2008 (237). Over the last ten years it has moved down 213 places. More babies were named Zack in the 2000s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #1,435 boys, down 128 places since 2020
- Babies in 2025
- 126boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 2008237 babies
- Total since 1880
- 9,012babies recorded
Zack popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #1,435 | 126 |
| 2020 | #1,307 | 139 |
| 2010 | #968 | 205 |
| 2000 | #1,025 | 143 |
| 1990 | #1,305 | 73 |
| 1980 | #1,390 | 47 |
| 1970 | #1,581 | 30 |
| 1960 | #1,485 | 30 |
| 1950 | #1,219 | 36 |
| 1940 | #1,679 | 18 |
| 1930 | #1,079 | 42 |
| 1920 | #974 | 51 |
| 1910 | #927 | 13 |
| 1900 | #423 | 29 |
| 1890 | #350 | 26 |
| 1880 | #402 | 19 |
How popular is Zack, counting every spelling?
Zack is the most common spelling of a name family that ranked #957 for boys in 2025 once every spelling is counted together, compared with #1,435 for Zack on its own. Together these spellings went to 229 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Zack | 126 | #1,435 | 702 |
| Zach | 54 | #2,515 | 308 |
| Zac | 37 | #3,237 | 221 |
| Zak | 12 | #7,181 | 126 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Zack?
126 of the 3,606,400 babies born in the US in 2025 were named Zack (0.03 per 1,000 births). For a boy named Zack born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 67 (of 430 pupils) would have a child named Zack.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Zack?
About 6,800 people born in the US named Zack are alive today, with a median age of 21; half are between 12 and 34. That makes Zack mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Zack by state
How common Zack was among boys born in each state in 2021–2025. It is notably more common than nationally in New Jersey (3.1×), New York (2.6×), Florida (1.9×), California (1.7×). In 40 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Zack: their share of US boys followed the most similar curve since 1880. If you like Zack, they share its era and feel.
Zack is also a nickname for Zechariah, Zachary and Zachariah.
Questions about the name Zack
How popular is the name Zack?
Zack was the 1435th most popular name for boys in 2025, given to 126 babies. Its best year was 1883, when it ranked 317th; the most babies were born in 2008 (237). Over the last ten years it has moved down 213 places. More babies were named Zack in the 2000s than in any other decade.
Is Zack a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Zack in the US.
Where is Zack most popular?
In 2021–2025, Zack was most common in New Jersey (0.25 per 1,000 boys), followed by New York and Florida.