How Many People Are Named Demaryius?
An estimated 97 people in the United States have the first name Demaryius. It is almost exclusively a male name. The average bearer is 10 years old, and Demaryius peaked in popularity in 2014 with 17 births that year.
Below you will find a full statistical profile of Demaryius as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Demaryius paired with any surname.
Key Insights
- Demaryius is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
97
About 1 in 3,533,550 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
10
years old
Peak Year
2014
17 births
Total Registered
98
since 1880
Gender Distribution for Demaryius
Demaryius is almost exclusively a male name. Out of 98 total births registered, 100.0% were male.
Demaryius as a male name
Ranked #12,713 in 2024
5 male births in 2024
Peak: 2014 (17 births)
Demaryius: Popularity Over Time
SSA records for Demaryius span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2010s, when 82 babies were registered. Demaryius has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Demaryius by Decade
How has Demaryius 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.
Demaryius + Last Name Combinations
How many people share a full name with Demaryius as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demaryius
Other first names starting with D with a similar number of bearers.
Demaryius: Questions and Answers
How many people in the U.S. are named Demaryius?
We estimate approximately 97 people named Demaryius 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 3,533,550 Americans share this first name.
Is Demaryius a common name?
Demaryius is classified as "Very Rare" and is more popular than 64.1% of all first names in the SSA database. A total of 98 births have been registered with this name since 1880.
When was Demaryius most popular?
Demaryius reached peak popularity in 2014, when 17 babies were given this name. The average age of a living person named Demaryius is approximately 10 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Demaryius was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Demaryius a male name?
Demaryius is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
Why can Demaryius have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Demaryius peaked in 2014, and the average living bearer is about 10 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Demaryius Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demaryius Smith, Demaryius Johnson, Demaryius 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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