Chelsea Tolosa
There are approximately 1 people named Chelsea Tolosa 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 Chelsea with Census Bureau frequency data for the surname Tolosa. 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 Chelsea
157K
Alive today
Named Tolosa
906
Alive today
US population
343M
Denominator
Estimated living: 157K
Rarity: Common
Gender: Female
Peak year: 1992
Average age: 32
Top Census group: White (72.2%)
Estimated bearers: 906
Rarity: Very Rare
Census rank: #31,403
Per 100K: 0.26
Top ancestry: Hispanic (48.9%)
First name trend
Chelsea: popularity over time
Year-by-year SSA birth registrations for the first name Chelsea. The peak year was 1992 with 16,199 births. The average person named Chelsea today is 32 years old.
Babies born per year
Demographics
Ancestry and ethnicity for Chelsea
Self-reported race and ethnicity breakdown for people with the first name Chelsea, from the 2020 US Census Bureau first-name tables. The largest published group is White at 72.2%.
The bar chart below shows how people with the first name Chelsea 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 Chelsea at the time of the Census. A first name does not determine a person's race or ethnicity.
- White72.2% · 103,605
- Hispanic or Latino10.2% · 14,668
- Black or African American9.2% · 13,222
- Two or more races4.6% · 6,612
- Asian and Pacific Islander2.9% · 4,102
- American Indian and Alaska Native0.8% · 1,203
Ethnicity
Ancestry of the Tolosa surname
Self-reported race and ethnicity breakdown for people with the surname Tolosa, from the 2020 US Census Bureau. The largest group is Hispanic at 48.9%.
The bar chart below shows how people with the surname Tolosa 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 Tolosa at the time of the Census. A surname does not determine a person's race or ethnicity.
- Hispanic or Latino48.9% · 386
- Asian and Pacific Islander33.2% · 262
- White8.1% · 64
- Black or African American5.2% · 41
- Two or more races3.4% · 27
- American Indian and Alaska Native1.3% · 10
Methodology
How we calculated this
The first name Chelsea has a living-bearer frequency of 0.0458% of the US population, based on 156,901 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 Chelsea right now.
The surname Tolosa appears at a rate of 0.26 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0003%.
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 Chelsea Tolosa. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Chelsea
FAQ
Chelsea Tolosa: questions and answers
How many people are named Chelsea Tolosa?
We estimate approximately 1 people in the United States share the full name Chelsea Tolosa. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0458%) with the surname frequency (0.26 per 100K) against the current US population.
How rare is the name Chelsea Tolosa?
We classify Chelsea Tolosa as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Chelsea a male or female name?
Chelsea is predominantly female. Out of 163,013 total SSA registrations, 0.3% were male and 99.7% were female. See the full Chelsea 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 Americans are named Chelsea Tolosa?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.