How Many People Are Named Zac?
An estimated 1,534 people in the United States have the first name Zac. It is almost exclusively a male name. The average bearer is 19 years old, and Zac peaked in popularity in 2014 with 84 births that year.
Below you will find a full statistical profile of Zac 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 Zac paired with any surname.
Estimated Living Americans
1,534
About 1 in 223,438 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
19
years old
Peak Year
2014
84 births
Total Registered
1,563
since 1880
Gender Distribution for Zac
Zac is almost exclusively a male name. Out of 1,563 total births registered, 100.0% were male.
Zac as a male name
Ranked #3,379 in 2024
35 male births in 2024
Peak: 2014 (84 births)
Zac: Popularity Over Time
SSA records for Zac span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2010s, when 692 babies were registered. While Zac is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Zac by Decade
How has Zac 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.
Zac by State
Birth registrations for Zac span all 7 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Pennsylvania, Illinois, Georgia. On average, about 65 Zacs were registered per state.
Zac + Last Name Combinations
How many people share a full name with Zac as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Zac
Other first names starting with Z with a similar number of bearers.
Zac: Questions and Answers
How many people in the U.S. are named Zac?
We estimate approximately 1,534 people named Zac 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 223,438 Americans share this first name.
Is Zac a common name?
Zac is classified as "Rare" and is more popular than 92.5% of all first names in the SSA database. A total of 1,563 births have been registered with this name since 1880.
When was Zac most popular?
Zac reached peak popularity in 2014, when 84 babies were given this name. The average age of a living person named Zac is approximately 19 years old, reflecting when the name was most commonly given.
Is Zac a male name?
Zac is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Zac Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Zac Smith, Zac Johnson, Zac 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.
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