How Many People Are Named Derek Mulder?
There are approximately 5 people named Derek Mulder living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 68,550,868 Americans.
This estimate combines SSA birth records for the first name Derek with Census Bureau frequency data for the surname Mulder. Below you will find a breakdown of both names, including popularity trends, gender data, and Census background data where it is available.
Estimated People with This Name
5
1 in 68,550,868 Americans
Combination Rarity
Very Rare
First Name
View full profileDerek
Last Name
View full profileMulder
Derek: Popularity Over Time
Year-by-year SSA birth registrations for the first name Derek. The peak year was 1989 with 8,402 births. The average person named Derek today is 37 years old.
Ancestry of the First Name Derek
In the 2020 Census, the first name Derek was most commonly recorded among people who identified as White (71.16%). The next largest recorded groups were Hispanic (10.38%) and Black (9.66%).
These percentages describe the people who had the first name Derek in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.
Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how Derek rose or fell over time.
Ancestry of the Mulder Surname
The surname Mulder was most commonly recorded among people who identified as White in the 2020 Census.
This is a self-reported race and ethnicity breakdown for people who had the surname Mulder in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.
How we calculated this
The first name "Derek" has an estimated frequency of 0.0661% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Mulder" appears at a rate of 2.42 per 100,000 people in the 2020 U.S. Census.
We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name Derek are likely to be alive now.
Multiplying these frequencies against the U.S. population of ~343 million gives 5 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Derek
Other people with the surname Mulder
Derek Mulder: Questions and Answers
How many people are named Derek Mulder?
We estimate approximately 5 people named Derek Mulder are alive in the United States today. The first name Derek is shared by 226,565 Americans, and the surname Mulder is shared by 8,293.
How rare is the name Derek Mulder?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 68,550,868 Americans. The first name Derek is common and the surname Mulder is rare.
Is Derek a male or female name?
Derek is predominantly male, with 99.6% of bearers being male and 0.4% female. It peaked in popularity in 1989 and the average bearer today is 37 years old.
What does the Census say about the first name Derek?
In the 2020 Census, the first name Derek was most commonly recorded among people who identified as White (71.16%). The next largest recorded groups were Hispanic (10.38%) and Black (9.66%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.
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. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.
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