How Many People Are Named Dea?
An estimated 1,434 people in the United States have the first name Dea. It is predominantly female (99.1%). The average bearer is 44 years old, and Dea peaked in popularity in 1963 with 45 births that year.
Below you will find a full statistical profile of Dea 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 Dea paired with any surname.
Estimated Living Americans
1,434
About 1 in 239,020 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.1% confidence
Average Age
44
years old
Peak Year
1963
45 births
Total Registered
1,820
since 1880
Gender Distribution for Dea
Dea is almost exclusively a female name. Out of 1,820 total births registered, 99.1% were female.
Dea as a male name
Ranked #6,464 in 1980
5 male births in 1980
Peak: 1921 (6 births)
Dea as a female name
Ranked #6,431 in 2024
18 female births in 2024
Peak: 1963 (45 births)
Dea: Popularity Over Time
SSA records for Dea span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1960s, when 340 babies were registered. Dea has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Dea by Decade
How has Dea 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.
Dea by State
Birth registrations for Dea span all 6 states and territories in the SSA database. The highest counts are in New York, California, Texas. The lowest are in Oregon, Oklahoma, Ohio. On average, about 24 Deas were registered per state.
Dea + Last Name Combinations
How many people share a full name with Dea as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Dea
Other first names starting with D with a similar number of bearers.
Dea: Questions and Answers
How many people in the U.S. are named Dea?
We estimate approximately 1,434 people named Dea 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 239,020 Americans share this first name.
Is Dea a common name?
Dea is classified as "Rare" and is more popular than 92.2% of all first names in the SSA database. A total of 1,820 births have been registered with this name since 1880.
When was Dea most popular?
Dea reached peak popularity in 1963, when 45 babies were given this name. The average age of a living person named Dea is approximately 44 years old, reflecting when the name was most commonly given.
Is Dea a female name?
Dea is predominantly female. 99.1% of people with this name are female. See the gender breakdown above for full details.
How many Dea Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Dea Smith, Dea Johnson, Dea 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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