How Many People Are Named Rosco?
An estimated 493 people in the United States have the first name Rosco. It is almost exclusively a male name. The average bearer is 53 years old, and Rosco peaked in popularity in 1922 with 42 births that year.
Below you will find a full statistical profile of Rosco 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 Rosco paired with any surname.
Estimated Living Americans
493
About 1 in 695,242 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
53
years old
Peak Year
1922
42 births
Total Registered
1,433
since 1880
Gender Distribution for Rosco
Rosco is almost exclusively a male name. Out of 1,433 total births registered, 100.0% were male.
Rosco as a male name
Ranked #6,728 in 2024
13 male births in 2024
Peak: 1922 (42 births)
Rosco: Popularity Over Time
SSA records for Rosco span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1920s, when 330 babies were registered. Rosco has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Rosco by Decade
How has Rosco 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.
Rosco by State
Birth registrations for Rosco span all 10 states and territories in the SSA database. The highest counts are in North Carolina, Mississippi, Arkansas. The lowest are in West Virginia, Tennessee, South Carolina. On average, about 11 Roscos were registered per state.
Rosco + Last Name Combinations
How many people share a full name with Rosco as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rosco
Other first names starting with R with a similar number of bearers.
Rosco: Questions and Answers
How many people in the U.S. are named Rosco?
We estimate approximately 493 people named Rosco 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 695,242 Americans share this first name.
Is Rosco a common name?
Rosco is classified as "Very Rare" and is more popular than 84.4% of all first names in the SSA database. A total of 1,433 births have been registered with this name since 1880.
When was Rosco most popular?
Rosco reached peak popularity in 1922, when 42 babies were given this name. The average age of a living person named Rosco is approximately 53 years old, reflecting when the name was most commonly given.
Is Rosco a male name?
Rosco is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Rosco Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rosco Smith, Rosco Johnson, Rosco 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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