How Many People Are Named Ilia?
An estimated 914 people in the United States have the first name Ilia. It is used for both genders, with 79.7% female. The average bearer is 26 years old, and Ilia peaked in popularity in 1980 with 43 births that year.
Below you will find a full statistical profile of Ilia 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 Ilia paired with any surname.
Estimated Living Americans
914
About 1 in 375,005 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
79.7% confidence
Average Age
26
years old
Peak Year
1980
43 births
Total Registered
987
since 1880
Gender Distribution for Ilia
Ilia is a genuinely unisex name, used for both males (20.3%) and females (79.7%). Out of 987 total births registered, 200 were male and 787 were female.
Ilia as a male name
Ranked #4,343 in 2024
24 male births in 2024
Peak: 2024 (24 births)
Ilia as a female name
Ranked #7,717 in 2024
14 female births in 2024
Peak: 1980 (43 births)
Ilia: Popularity Over Time
SSA records for Ilia span from the 1910s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 2010s, when 234 babies were registered. While Ilia is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Ilia by Decade
How has Ilia 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.
Ilia by State
Birth registrations for Ilia span all 3 states and territories in the SSA database. The highest counts are in New York, California, Texas. The lowest are in Texas, California, New York. On average, about 20 Ilias were registered per state.
Ilia + Last Name Combinations
How many people share a full name with Ilia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ilia
Other first names starting with I with a similar number of bearers.
Ilia: Questions and Answers
How many people in the U.S. are named Ilia?
We estimate approximately 914 people named Ilia 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 375,005 Americans share this first name.
Is Ilia a common name?
Ilia is classified as "Very Rare" and is more popular than 89.5% of all first names in the SSA database. A total of 987 births have been registered with this name since 1880.
When was Ilia most popular?
Ilia reached peak popularity in 1980, when 43 babies were given this name. The average age of a living person named Ilia is approximately 26 years old, reflecting when the name was most commonly given.
Is Ilia a female name?
Ilia is predominantly female. 79.7% of people with this name are female. See the gender breakdown above for full details.
How many Ilia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ilia Smith, Ilia Johnson, Ilia 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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