How Many People Are Named Rob?
An estimated 7,175 people in the United States have the first name Rob. It is almost exclusively a male name. The average bearer is 58 years old, and Rob peaked in popularity in 1963 with 555 births that year.
Below you will find a full statistical profile of Rob 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 Rob paired with any surname.
Estimated Living Americans
7,175
About 1 in 47,771 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
58
years old
Peak Year
1963
555 births
Total Registered
8,768
since 1880
Gender Distribution for Rob
Rob is almost exclusively a male name. Out of 8,768 total births registered, 100.0% were male.
Rob as a male name
Ranked #12,009 in 2024
6 male births in 2024
Peak: 1963 (555 births)
Rob: Popularity Over Time
SSA records for Rob span from the 1880s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1960s, when 4,160 babies were registered. Rob has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Rob by Decade
How has Rob 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.
Rob by State
Birth registrations for Rob span all 41 states and territories in the SSA database. The highest counts are in California, Ohio, Michigan. The lowest are in South Carolina, North Dakota, Louisiana. On average, about 144 Robs were registered per state.
Rob + Last Name Combinations
How many people share a full name with Rob as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rob
Other first names starting with R with a similar number of bearers.
Rob: Questions and Answers
How many people in the U.S. are named Rob?
We estimate approximately 7,175 people named Rob 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 47,771 Americans share this first name.
Is Rob a common name?
Rob is classified as "Rare" and is more popular than 97.2% of all first names in the SSA database. A total of 8,768 births have been registered with this name since 1880.
When was Rob most popular?
Rob reached peak popularity in 1963, when 555 babies were given this name. The average age of a living person named Rob is approximately 58 years old, reflecting when the name was most commonly given.
Is Rob a male name?
Rob is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Rob Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rob Smith, Rob Johnson, Rob 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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