How Many People Are Named Jen?
An estimated 325 people in the United States have the first name Jen. It is used for both genders, with 78.7% female. The average bearer is 47 years old, and Jen peaked in popularity in 2010 with 17 births that year.
Below you will find a full statistical profile of Jen 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 Jen paired with any surname.
Key Insights
- Jen has shifted from predominantly female to increasingly male in recent decades.
Estimated Living Americans
325
About 1 in 1,054,629 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
78.7% confidence
Average Age
47
years old
Peak Year
2010
17 births
Total Registered
404
since 1880
Gender Distribution for Jen
Jen is a genuinely unisex name, used for both males (21.3%) and females (78.7%). Out of 404 total births registered, 86 were male and 318 were female.
Jen as a male name
Ranked #6,122 in 2015
14 male births in 2015
Peak: 2010 (17 births)
Jen as a female name
Ranked #18,552 in 2009
5 female births in 2009
Peak: 1959 (14 births)
Jen: Popularity Over Time
SSA records for Jen span from the 1920s to the 2010s, covering 10 decades of naming data. The most popular decade for this name was the 1950s, when 89 babies were registered. While Jen is less common than at its peak in the 1950s, it remains a well-established name with steady registrations.
Jen by Decade
How has Jen 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.
Jen by State
Jen + Last Name Combinations
How many people share a full name with Jen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jen
Other first names starting with J with a similar number of bearers.
Jen: Questions and Answers
How many people in the U.S. are named Jen?
We estimate approximately 325 people named Jen 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 1,054,629 Americans share this first name.
Is Jen a common name?
Jen is classified as "Very Rare" and is more popular than 80.1% of all first names in the SSA database. A total of 404 births have been registered with this name since 1880.
When was Jen most popular?
Jen reached peak popularity in 2010, when 17 babies were given this name. The average age of a living person named Jen is approximately 47 years old, reflecting when the name was most commonly given.
Is Jen a female name?
Jen is predominantly female. 78.7% of people with this name are female. See the gender breakdown above for full details.
How many Jen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jen Smith, Jen Johnson, Jen 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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