How Many People Are Named Robert Armstrong?
There are approximately 1,282 people named Robert Armstrong living in the United States today. That makes this name combination common, occurring at a rate of about 1 in 267,359 Americans.
This estimate combines SSA birth records for the first name Robert with Census Bureau frequency data for the surname Armstrong. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1,282
1 in 267,359 Americans
Combination Rarity
Common
First Name
View full profileRobert
Last Name
View full profileArmstrong
Robert: Popularity Over Time
Year-by-year SSA birth registrations for the first name Robert. The peak year was 1947 with 91,891 births. The average person named Robert today is 60 years old.
Ancestry of the Armstrong Surname
Self-reported race and ethnicity breakdown for people with the surname Armstrong, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Robert" has an estimated frequency of 0.817% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Armstrong" appears at a rate of 45.78 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1,282 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Robert
Other people with the surname Armstrong
Robert Armstrong: Questions and Answers
How many people are named Robert Armstrong?
We estimate approximately 1,282 people named Robert Armstrong are alive in the United States today. The first name Robert is shared by 2,799,566 Americans, and the surname Armstrong is shared by 153,772.
How rare is the name Robert Armstrong?
This name combination is classified as Common, occurring at a rate of about 1 in 267,359 Americans. The first name Robert is very common and the surname Armstrong is common.
Is Robert a male or female name?
Robert is predominantly male, with 99.6% of bearers being male and 0.4% female. It peaked in popularity in 1947 and the average bearer today is 60 years old.
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. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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