How Many People Are Named Jacek?
An estimated 518 people in the United States have the first name Jacek. It is almost exclusively a male name. The average bearer is 20 years old, and Jacek peaked in popularity in 2013 with 37 births that year.
Below you will find a full statistical profile of Jacek 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 Jacek paired with any surname.
Estimated Living Americans
518
About 1 in 661,688 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
20
years old
Peak Year
2013
37 births
Total Registered
527
since 1880
Gender Distribution for Jacek
Jacek is almost exclusively a male name. Out of 527 total births registered, 100.0% were male.
Jacek as a male name
Ranked #13,004 in 2024
5 male births in 2024
Peak: 2013 (37 births)
Jacek: Popularity Over Time
SSA records for Jacek span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2010s, when 197 babies were registered. Jacek has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Jacek by Decade
How has Jacek 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.
Jacek by State
Birth registrations for Jacek span all 3 states and territories in the SSA database. The highest counts are in Illinois, Michigan, Texas. The lowest are in Texas, Michigan, Illinois. On average, about 7 Jaceks were registered per state.
Jacek + Last Name Combinations
How many people share a full name with Jacek as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jacek
Other first names starting with J with a similar number of bearers.
Jacek: Questions and Answers
How many people in the U.S. are named Jacek?
We estimate approximately 518 people named Jacek 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 661,688 Americans share this first name.
Is Jacek a common name?
Jacek is classified as "Very Rare" and is more popular than 84.9% of all first names in the SSA database. A total of 527 births have been registered with this name since 1880.
When was Jacek most popular?
Jacek reached peak popularity in 2013, when 37 babies were given this name. The average age of a living person named Jacek is approximately 20 years old, reflecting when the name was most commonly given.
Is Jacek a male name?
Jacek is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Jacek Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jacek Smith, Jacek Johnson, Jacek 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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