How Many People Are Named Izaiah?
An estimated 14,323 people in the United States have the first name Izaiah. It is almost exclusively a male name. The average bearer is 14 years old, and Izaiah peaked in popularity in 2009 with 742 births that year.
Below you will find a full statistical profile of Izaiah 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 Izaiah paired with any surname.
Key Insights
- Izaiah is a modern name. With an average bearer age of just 14, it has gained most of its popularity in recent years.
Estimated Living Americans
14,323
About 1 in 23,930 people in the U.S.
Rarity
Uncommon
Predicted Gender
Male
99.9% confidence
Average Age
14
years old
Peak Year
2009
742 births
Total Registered
14,463
since 1880
Gender Distribution for Izaiah
Izaiah is almost exclusively a male name. Out of 14,463 total births registered, 99.9% were male.
Izaiah as a male name
Ranked #608 in 2024
467 male births in 2024
Peak: 2009 (742 births)
Izaiah as a female name
Ranked #16,875 in 2017
5 female births in 2017
Peak: 2010 (5 births)
Izaiah: Popularity Over Time
SSA records for Izaiah span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 6,048 babies were registered. While Izaiah is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Izaiah by Decade
How has Izaiah 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.
Izaiah by State
Birth registrations for Izaiah span all 44 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in District of Columbia, South Dakota, Rhode Island. On average, about 298 Izaiahs were registered per state.
Izaiah + Last Name Combinations
How many people share a full name with Izaiah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Izaiah
Other first names starting with I with a similar number of bearers.
Izaiah: Questions and Answers
How many people in the U.S. are named Izaiah?
We estimate approximately 14,323 people named Izaiah 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 23,930 Americans share this first name.
Is Izaiah a common name?
Izaiah is classified as "Uncommon" and is more popular than 98.2% of all first names in the SSA database. A total of 14,463 births have been registered with this name since 1880.
When was Izaiah most popular?
Izaiah reached peak popularity in 2009, when 742 babies were given this name. The average age of a living person named Izaiah is approximately 14 years old, reflecting when the name was most commonly given.
Is Izaiah a male name?
Izaiah is predominantly male. 99.9% of people with this name are male. See the gender breakdown above for full details.
How many Izaiah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Izaiah Smith, Izaiah Johnson, Izaiah 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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