How Many People Are Named Rudolf?
An estimated 1,258 people in the United States have the first name Rudolf. It is almost exclusively a male name. The average bearer is 58 years old, and Rudolf peaked in popularity in 1927 with 82 births that year.
Below you will find a full statistical profile of Rudolf 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 Rudolf paired with any surname.
Estimated Living Americans
1,258
About 1 in 272,460 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
58
years old
Peak Year
1927
82 births
Total Registered
2,951
since 1880
Gender Distribution for Rudolf
Rudolf is almost exclusively a male name. Out of 2,951 total births registered, 100.0% were male.
Rudolf as a male name
Ranked #12,029 in 2024
6 male births in 2024
Peak: 1927 (82 births)
Rudolf: Popularity Over Time
SSA records for Rudolf span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1920s, when 585 babies were registered. Rudolf has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Rudolf by Decade
How has Rudolf 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.
Rudolf by State
Birth registrations for Rudolf span all 9 states and territories in the SSA database. The highest counts are in New York, California, Texas. The lowest are in Massachusetts, Wisconsin, Ohio. On average, about 104 Rudolfs were registered per state.
Rudolf + Last Name Combinations
How many people share a full name with Rudolf as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rudolf
Other first names starting with R with a similar number of bearers.
Rudolf: Questions and Answers
How many people in the U.S. are named Rudolf?
We estimate approximately 1,258 people named Rudolf 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 272,460 Americans share this first name.
Is Rudolf a common name?
Rudolf is classified as "Rare" and is more popular than 91.5% of all first names in the SSA database. A total of 2,951 births have been registered with this name since 1880.
When was Rudolf most popular?
Rudolf reached peak popularity in 1927, when 82 babies were given this name. The average age of a living person named Rudolf is approximately 58 years old, reflecting when the name was most commonly given.
Is Rudolf a male name?
Rudolf is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Rudolf Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rudolf Smith, Rudolf Johnson, Rudolf 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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