How Many People Are Named Carl Sagan?
There are approximately 1 people named Carl Sagan 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 Carl with Census Bureau frequency data for the surname Sagan. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileCarl
Last Name
View full profileSagan
Carl: Popularity Over Time
Year-by-year SSA birth registrations for the first name Carl. The peak year was 1956 with 8,346 births. The average person named Carl today is 62 years old.
Ancestry of the Sagan Surname
Self-reported race and ethnicity breakdown for people with the surname Sagan, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Carl" has an estimated frequency of 0.0724% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Sagan" appears at a rate of 0.40 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Carl
Carl Sagan: Questions and Answers
How many people are named Carl Sagan?
We estimate approximately 1 people named Carl Sagan are alive in the United States today. The first name Carl is shared by 248,051 Americans, and the surname Sagan is shared by 1,344.
How rare is the name Carl Sagan?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Carl is common and the surname Sagan is rare.
Is Carl a male or female name?
Carl is predominantly male, with 99.4% of bearers being male and 0.6% female. It peaked in popularity in 1956 and the average bearer today is 62 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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