How Many People Are Named Zack?
An estimated 6,833 people in the United States have the first name Zack. It is almost exclusively a male name. The average bearer is 28 years old, and Zack peaked in popularity in 2008 with 237 births that year.
Below you will find a full statistical profile of Zack as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Zack paired with any surname.
Estimated Living Americans
6,833
About 1 in 50,162 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
28
years old
Peak Year
2008
237 births
Total Registered
8,887
since 1880
Gender Distribution for Zack
Zack is almost exclusively a male name. Out of 8,887 total births registered, 100.0% were male.
Zack as a male name
Ranked #1,388 in 2024
135 male births in 2024
Peak: 2008 (237 births)
Zack: Popularity Over Time
SSA records for Zack span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2000s, when 1,872 babies were registered. While Zack is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Zack by Decade
How has Zack tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Zack by State
Birth registrations for Zack span all 37 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Tennessee, Oklahoma, Nevada. On average, about 111 Zacks were registered per state.
Zack + Last Name Combinations
How many people share a full name with Zack as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Zack
Other first names starting with Z with a similar number of bearers.
Zack: Questions and Answers
How many people in the U.S. are named Zack?
We estimate approximately 6,833 people named Zack are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 50,162 Americans share this first name.
Is Zack a common name?
Zack is classified as "Rare" and is more popular than 97.1% of all first names in the SSA database. A total of 8,887 births have been registered with this name since 1880.
When was Zack most popular?
Zack reached peak popularity in 2008, when 237 babies were given this name. The average age of a living person named Zack is approximately 28 years old, reflecting when the name was most commonly given.
Is Zack a male name?
Zack is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Zack Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Zack Smith, Zack Johnson, Zack Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
Search for a full name combination
How Many of Me