Zack
Boy name · #1426 in 2025 · Very rare
How old is the name Zack? In official American birth records, Zack has been tracked continuously since 1880, giving it 145 years of documented American history.
Zack ranks #1426 among American boys' names as of 2025, with 126 newborns given the name that year. A decade ago it stood at #1216, so the name has been falling over the past ten years. Roughly one in every 14,286 boys born in 2025 was named Zack.
The 145-year story
Zack first appears in the Social Security records in 1880, when 19 boys received the name. Its peak came in 2008, when 237 boys were named Zack — good for #886 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Zack per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Zack against up to 5 other names.
Uniqueness: will there be another Zack in class?
On our rarity read — which blends how common Zack is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Zack will likely be the only one in the room, with the occasional spelling-out as the price.
Where Zack is most common
Geography matters for names, and Zack is no exception. Adjusted for how many boys are born in each state, Zack is most common in NJ (0.3 per 1,000), NY (0.2 per 1,000), FL (0.2 per 1,000), CA (0.1 per 1,000) — against a national average of about 0.1 per 1,000 boys. These are per-capita rates, so they show where Zack is a genuine regional favorite rather than just where the most babies are born.
Nicknames & related forms of Zack
Zack belongs to the Zachary family — closely related nicknames and spellings of the same name.
Counted as one name, the Zachary family went to about 1,863 boys in 2025 — together they'd rank around #193, versus #1426 for Zack alone.
Names like Zack
Statistically, parents drawn to Zack tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Zach, Zaki, Neel, Kole, and Brock.
ZachZakiNeelKoleBrockNateIsaiSaid
Rank history (last 25 years)
| Year | Babies named Zack | Rank |
|---|---|---|
| 2025 | 126 | #1425 |
| 2024 | 135 | #1387 |
| 2023 | 149 | #1288 |
| 2022 | 142 | #1322 |
| 2021 | 150 | #1267 |
| 2020 | 139 | #1297 |
| 2019 | 131 | #1365 |
| 2018 | 161 | #1181 |
| 2017 | 150 | #1219 |
| 2016 | 189 | #1045 |
| 2015 | 151 | #1216 |
| 2014 | 138 | #1285 |
| 2013 | 178 | #1058 |
| 2012 | 171 | #1090 |
| 2011 | 184 | #1031 |
| 2010 | 205 | #966 |
| 2009 | 223 | #926 |
| 2008 | 237 | #886 |
| 2007 | 221 | #903 |
| 2006 | 199 | #941 |
| 2005 | 188 | #929 |
| 2004 | 184 | #923 |
| 2003 | 183 | #909 |
| 2002 | 161 | #976 |
| 2001 | 133 | #1080 |
Frequently asked questions
How old is the name Zack?
In official American birth records, the name Zack first appeared in 1880 (over 145 years ago), when 19 newborn boys received the name. It has over a century of continuous American history.
Is Zack a popular boy name?
Zack ranked #1426 among boys in 2025 with 126 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1216.
When was the name Zack most popular?
Zack peaked in 2008, when 237 American boys received the name (ranked #886 that year). Since 2008 the name has declined from that high.
How rare is the name Zack?
In 2025, roughly 1 in 14,286 newborn American boys was named Zack. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.