How Many People Are Named Sonia?
An estimated 55,129 people in the United States have the first name Sonia. It is almost exclusively a female name. The average bearer is 46 years old, and Sonia peaked in popularity in 1970 with 1,777 births that year.
Below you will find a full statistical profile of Sonia 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 Sonia paired with any surname.
Key Insights
- While Sonia is overwhelmingly female, 278 male births have been registered with this name since 1880.
Estimated Living Americans
55,129
About 1 in 6,217 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.6% confidence
Average Age
46
years old
Peak Year
1970
1,777 births
Total Registered
66,855
since 1880
Gender Distribution for Sonia
Sonia is almost exclusively a female name. Out of 66,855 total births registered, 99.6% were female.
Sonia as a male name
Ranked #5,717 in 1993
10 male births in 1993
Peak: 1981 (17 births)
Sonia as a female name
Ranked #1,359 in 2024
168 female births in 2024
Peak: 1970 (1,767 births)
Sonia: Popularity Over Time
SSA records for Sonia span from the 1890s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1970s, when 15,301 babies were registered. Sonia has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Sonia by Decade
How has Sonia 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.
Sonia by State
Birth registrations for Sonia span all 49 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Wyoming, Vermont, South Dakota. On average, about 1,258 Sonias were registered per state.
Sonia + Last Name Combinations
How many people share a full name with Sonia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sonia
Other first names starting with S with a similar number of bearers.
Sonia: Questions and Answers
How many people in the U.S. are named Sonia?
We estimate approximately 55,129 people named Sonia 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 6,217 Americans share this first name.
Is Sonia a common name?
Sonia is classified as "Uncommon" and is more popular than 99.2% of all first names in the SSA database. A total of 66,855 births have been registered with this name since 1880.
When was Sonia most popular?
Sonia reached peak popularity in 1970, when 1,777 babies were given this name. The average age of a living person named Sonia is approximately 46 years old, reflecting when the name was most commonly given.
Is Sonia a female name?
Sonia is predominantly female. 99.6% of people with this name are female. See the gender breakdown above for full details.
How many Sonia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sonia Smith, Sonia Johnson, Sonia 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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