How Many People Are Named Rhea?
An estimated 13,037 people in the United States have the first name Rhea. It is predominantly female (97.9%). The average bearer is 31 years old, and Rhea peaked in popularity in 2023 with 577 births that year.
Below you will find a full statistical profile of Rhea 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 Rhea paired with any surname.
Key Insights
- While Rhea is overwhelmingly female, 408 male births have been registered with this name since 1880.
Estimated Living Americans
13,037
About 1 in 26,291 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
97.9% confidence
Average Age
31
years old
Peak Year
2023
577 births
Total Registered
19,689
since 1880
Gender Distribution for Rhea
Rhea is predominantly female (97.9%), though 408 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Rhea as a male name
Ranked #12,820 in 2004
5 male births in 2004
Peak: 1920 (16 births)
Rhea as a female name
Ranked #616 in 2024
484 female births in 2024
Peak: 2023 (577 births)
Rhea: Popularity Over Time
SSA records for Rhea span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2010s, when 2,736 babies were registered. Rhea remains highly popular today, with recent registration numbers near its historical peak.
Rhea by Decade
How has Rhea 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 117 | 0 | 117 | |
| 1890s | 481 | 5 | 476 | |
| 1900s | 548 | 6 | 542 | |
| 1910s | 1,400 | 48 | 1,352 | |
| 1920s | 1,701 | 134 | 1,567 | |
| 1930s | 1,146 | 54 | 1,092 | |
| 1940s | 1,206 | 69 | 1,137 | |
| 1950s | 1,299 | 51 | 1,248 | |
| 1960s | 1,080 | 25 | 1,055 | |
| 1970s | 1,001 | 11 | 990 | |
| 1980s | 1,244 | 0 | 1,244 | |
| 1990s | 1,174 | 0 | 1,174 | |
| 2000s | 2,047 | 5 | 2,042 | |
| 2010s | 2,736 | 0 | 2,736 | |
| 2020s | 2,509 | 0 | 2,509 | |
Rhea by State
Birth registrations for Rhea span all 44 states and territories in the SSA database. The highest counts are in California, New York, Ohio. The lowest are in South Dakota, District of Columbia, Arkansas. On average, about 282 Rheas were registered per state.
Rhea + Last Name Combinations
How many people share a full name with Rhea as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rhea
Other first names starting with R with a similar number of bearers.
Rhea: Questions and Answers
How many people in the U.S. are named Rhea?
We estimate approximately 13,037 people named Rhea 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 26,291 Americans share this first name.
Is Rhea a common name?
Rhea is classified as "Uncommon" and is more popular than 98.1% of all first names in the SSA database. A total of 19,689 births have been registered with this name since 1880.
When was Rhea most popular?
Rhea reached peak popularity in 2023, when 577 babies were given this name. The average age of a living person named Rhea is approximately 31 years old, reflecting when the name was most commonly given.
Is Rhea a female name?
Rhea is predominantly female. 97.9% of people with this name are female. See the gender breakdown above for full details.
How many Rhea Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rhea Smith, Rhea Johnson, Rhea 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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