How Many People Are Named Nicholaus?
An estimated 3,132 people in the United States have the first name Nicholaus. It is almost exclusively a male name. The average bearer is 36 years old, and Nicholaus peaked in popularity in 1981 with 168 births that year.
Below you will find a full statistical profile of Nicholaus 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 Nicholaus paired with any surname.
Estimated Living Americans
3,132
About 1 in 109,436 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
36
years old
Peak Year
1981
168 births
Total Registered
3,255
since 1880
Gender Distribution for Nicholaus
Nicholaus is almost exclusively a male name. Out of 3,255 total births registered, 100.0% were male.
Nicholaus as a male name
Ranked #7,572 in 2024
11 male births in 2024
Peak: 1981 (168 births)
Nicholaus: Popularity Over Time
SSA records for Nicholaus span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 1980s, when 1,155 babies were registered. Nicholaus has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Nicholaus by Decade
How has Nicholaus 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.
Nicholaus by State
Birth registrations for Nicholaus span all 25 states and territories in the SSA database. The highest counts are in California, Texas, Illinois. The lowest are in Virginia, Tennessee, Oregon. On average, about 50 Nicholauss were registered per state.
Nicholaus + Last Name Combinations
How many people share a full name with Nicholaus as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Nicholaus
Other first names starting with N with a similar number of bearers.
Nicholaus: Questions and Answers
How many people in the U.S. are named Nicholaus?
We estimate approximately 3,132 people named Nicholaus 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 109,436 Americans share this first name.
Is Nicholaus a common name?
Nicholaus is classified as "Rare" and is more popular than 95.3% of all first names in the SSA database. A total of 3,255 births have been registered with this name since 1880.
When was Nicholaus most popular?
Nicholaus reached peak popularity in 1981, when 168 babies were given this name. The average age of a living person named Nicholaus is approximately 36 years old, reflecting when the name was most commonly given.
Is Nicholaus a male name?
Nicholaus is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Nicholaus Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Nicholaus Smith, Nicholaus Johnson, Nicholaus 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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