Sonja Sohn
There are approximately 1 people named Sonja Sohn living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Sonja with Census Bureau frequency data for the surname Sohn. Below you will find a breakdown of both names, including popularity trends, gender data, and Census demographics where available.
Expected bearers
1
1 in 342,754,338
Named Sonja
30K
Alive today
Named Sohn
5.2K
Alive today
US population
343M
Denominator
Estimated living: 30K
Rarity: Uncommon
Gender: Female
Peak year: 1967
Average age: 55
Top Census group: White (68.6%)
Estimated bearers: 5.2K
Rarity: Rare
Census rank: #7,070
Per 100K: 1.53
Top ancestry: Asian/Pacific Islander (52.3%)
First name trend
Sonja: popularity over time
Year-by-year SSA birth registrations for the first name Sonja. The peak year was 1967 with 1,343 births. The average person named Sonja today is 55 years old.
Babies born per year
Demographics
Ancestry and ethnicity for Sonja
Self-reported race and ethnicity breakdown for people with the first name Sonja, from the 2020 US Census Bureau first-name tables. The largest published group is White at 68.6%.
The bar chart below shows how people with the first name Sonja described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the name Sonja at the time of the Census. A first name does not determine a person's race or ethnicity.
- White68.6% · 23,309
- Black or African American19.9% · 6,769
- Hispanic or Latino5.5% · 1,867
- Two or more races3.9% · 1,338
- Asian and Pacific Islander1.2% · 404
- American Indian and Alaska Native0.9% · 310
Ethnicity
Ancestry of the Sohn surname
Self-reported race and ethnicity breakdown for people with the surname Sohn, from the 2020 US Census Bureau. The largest group is Asian/Pacific Islander at 52.3%.
The bar chart below shows how people with the surname Sohn described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the surname Sohn at the time of the Census. A surname does not determine a person's race or ethnicity.
- Asian and Pacific Islander52.3% · 2,390
- White41.5% · 1,897
- Two or more races3.1% · 143
- Hispanic or Latino1.5% · 69
- Black or African American1.3% · 58
- American Indian and Alaska Native0.2% · 11
Methodology
How we calculated this
The first name Sonja has a living-bearer frequency of 0.0086% of the US population, based on 29,643 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
Even though the Census Bureau now publishes first-name tables, we do not use that file as the main first-name input for this estimate. The latest first-name Census snapshot is from 2020, which makes it 6 years old today. Because Census first-name data is only released once every 10 years, SSA birth records plus CDC survival rates give a better current estimate of how many people are likely alive with the name Sonja right now.
The surname Sohn appears at a rate of 1.53 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0015%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Sonja Sohn. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Sonja Sohn: questions and answers
How many people are named Sonja Sohn?
We estimate approximately 1 people in the United States share the full name Sonja Sohn. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0086%) with the surname frequency (1.53 per 100K) against the current US population.
How rare is the name Sonja Sohn?
We classify Sonja Sohn as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Sonja a male or female name?
Sonja is predominantly female. Out of 39,520 total SSA registrations, 0.1% were male and 99.9% were female. See the full Sonja profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2020 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.
How many people share the full name Sonja Sohn?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.