How Many People Are Named Demi?
An estimated 13,910 people in the United States have the first name Demi. It is almost exclusively a female name. The average bearer is 15 years old, and Demi peaked in popularity in 2020 with 913 births that year.
Below you will find a full statistical profile of Demi 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 Demi paired with any surname.
Key Insights
- Demi is a modern name. With an average bearer age of just 15, it has gained most of its popularity in recent years.
Estimated Living Americans
13,910
About 1 in 24,641 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.7% confidence
Average Age
15
years old
Peak Year
2020
913 births
Total Registered
14,107
since 1880
Gender Distribution for Demi
Demi is almost exclusively a female name. Out of 14,107 total births registered, 99.7% were female.
Demi as a male name
Ranked #12,715 in 2024
5 male births in 2024
Peak: 2023 (12 births)
Demi as a female name
Ranked #451 in 2024
693 female births in 2024
Peak: 2020 (913 births)
Demi: Popularity Over Time
SSA records for Demi span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2010s, when 5,083 babies were registered. While Demi is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Demi by Decade
How has Demi 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.
Demi by State
Birth registrations for Demi span all 40 states and territories in the SSA database. The highest counts are in Texas, California, Louisiana. The lowest are in New Mexico, Idaho, Nebraska. On average, about 306 Demis were registered per state.
Demi + Last Name Combinations
How many people share a full name with Demi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demi
Other first names starting with D with a similar number of bearers.
Demi: Questions and Answers
How many people in the U.S. are named Demi?
We estimate approximately 13,910 people named Demi 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 24,641 Americans share this first name.
Is Demi a common name?
Demi is classified as "Uncommon" and is more popular than 98.1% of all first names in the SSA database. A total of 14,107 births have been registered with this name since 1880.
When was Demi most popular?
Demi reached peak popularity in 2020, when 913 babies were given this name. The average age of a living person named Demi is approximately 15 years old, reflecting when the name was most commonly given.
Is Demi a female name?
Demi is predominantly female. 99.7% of people with this name are female. See the gender breakdown above for full details.
How many Demi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demi Smith, Demi Johnson, Demi 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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