How Many People Are Named Jack?
An estimated 432,820 people in the United States have the first name Jack. While not in the top 50, it remains a well-known name ranking #101 overall. It is almost exclusively a male name. The average bearer is 38 years old, and Jack peaked in popularity in 1927 with 12,884 births that year.
Below you will find a full statistical profile of Jack 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 Jack paired with any surname.
Key Insights
- While Jack is overwhelmingly male, 2,728 female births have been registered with this name since 1880.
Estimated Living Americans
432,820
About 1 in 792 people in the U.S.
Rarity
Common
Predicted Gender
Male
99.6% confidence
Average Age
38
years old
Peak Year
1927
12,884 births
Total Registered
750,859
since 1880
Gender Distribution for Jack
Jack is almost exclusively a male name. Out of 750,859 total births registered, 99.6% were male.
Jack as a male name
Ranked #15 in 2024
8,434 male births in 2024
Peak: 1927 (12,802 births)
Jack as a female name
Ranked #11,479 in 2024
8 female births in 2024
Peak: 1928 (96 births)
Jack: Popularity Over Time
SSA records for Jack span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1920s, when 116,741 babies were registered. While Jack is less common than at its peak in the 1920s, it remains a well-established name with steady registrations.
Jack by Decade
How has Jack 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 2,689 | 2,684 | 5 | |
| 1890s | 4,659 | 4,635 | 24 | |
| 1900s | 9,269 | 9,222 | 47 | |
| 1910s | 49,837 | 49,526 | 311 | |
| 1920s | 116,741 | 115,983 | 758 | |
| 1930s | 96,874 | 96,397 | 477 | |
| 1940s | 74,130 | 73,920 | 210 | |
| 1950s | 62,533 | 62,385 | 148 | |
| 1960s | 35,737 | 35,590 | 147 | |
| 1970s | 18,702 | 18,570 | 132 | |
| 1980s | 16,058 | 15,942 | 116 | |
| 1990s | 37,562 | 37,502 | 60 | |
| 2000s | 95,657 | 95,508 | 149 | |
| 2010s | 85,774 | 85,688 | 86 | |
| 2020s | 44,637 | 44,579 | 58 | |
Jack by State
Birth registrations for Jack span all 51 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Vermont, Delaware, Hawaii. On average, about 14,341 Jacks were registered per state.
Jack + Last Name Combinations
How many people share a full name with Jack as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jack
Other first names starting with J with a similar number of bearers.
Jack: Questions and Answers
How many people in the U.S. are named Jack?
We estimate approximately 432,820 people named Jack 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 792 Americans share this first name.
Is Jack a common name?
Jack is classified as "Common" and is more popular than 99.9% of all first names in the SSA database. A total of 750,859 births have been registered with this name since 1880.
When was Jack most popular?
Jack reached peak popularity in 1927, when 12,884 babies were given this name. The average age of a living person named Jack is approximately 38 years old, reflecting when the name was most commonly given.
Is Jack a male name?
Jack is predominantly male. 99.6% of people with this name are male. See the gender breakdown above for full details.
How many Jack Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jack Smith, Jack Johnson, Jack 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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