How Many People Are Named Alejo?
An estimated 712 people in the United States have the first name Alejo. It is almost exclusively a male name. The average bearer is 36 years old, and Alejo peaked in popularity in 1996 with 17 births that year.
Below you will find a full statistical profile of Alejo 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 Alejo paired with any surname.
Estimated Living Americans
712
About 1 in 481,397 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
36
years old
Peak Year
1996
17 births
Total Registered
882
since 1880
Gender Distribution for Alejo
Alejo is almost exclusively a male name. Out of 882 total births registered, 100.0% were male.
Alejo as a male name
Ranked #7,752 in 2024
10 male births in 2024
Peak: 1996 (17 births)
Alejo: Popularity Over Time
SSA records for Alejo span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 2000s, when 125 babies were registered. While Alejo is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Alejo by Decade
How has Alejo 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.
Alejo by State
Alejo + Last Name Combinations
How many people share a full name with Alejo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Alejo
Other first names starting with A with a similar number of bearers.
Alejo: Questions and Answers
How many people in the U.S. are named Alejo?
We estimate approximately 712 people named Alejo 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 481,397 Americans share this first name.
Is Alejo a common name?
Alejo is classified as "Very Rare" and is more popular than 87.7% of all first names in the SSA database. A total of 882 births have been registered with this name since 1880.
When was Alejo most popular?
Alejo reached peak popularity in 1996, when 17 babies were given this name. The average age of a living person named Alejo is approximately 36 years old, reflecting when the name was most commonly given.
Is Alejo a male name?
Alejo is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Alejo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Alejo Smith, Alejo Johnson, Alejo 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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