How Many People Are Named Robert Decoteau?

There are approximately 21 people named Robert Decoteau living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 16,321,635 Americans.

This estimate combines SSA birth records for the first name Robert with Census Bureau frequency data for the surname Decoteau. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.

Estimated People with This Name

21

1 in 16,321,635 Americans

Combination Rarity

Rare

Very Rare Very Common

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.

Male
Female
0 18K 37K 55K 74K 92K 1880 1900 1920 1940 1960 1980 2000 2020

Ancestry of the Decoteau Surname

Self-reported race and ethnicity breakdown for people with the surname Decoteau, from the 2010 U.S. Census Bureau.

White
39.56%
Black
14.72%
Hispanic
2.83%
Asian/Pacific Islander
0.46%
American Indian/Alaska Native
38.15%
Two or More Races
4.28%

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 "Decoteau" appears at a rate of 0.74 per 100,000 people in the 2010 U.S. Census.

Multiplying these frequencies against the U.S. population of ~343 million gives 21 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people with the surname Decoteau

Robert Decoteau: Questions and Answers

How many people are named Robert Decoteau?

We estimate approximately 21 people named Robert Decoteau are alive in the United States today. The first name Robert is shared by 2,799,566 Americans, and the surname Decoteau is shared by 2,486.

How rare is the name Robert Decoteau?

This name combination is classified as Rare, occurring at a rate of about 1 in 16,321,635 Americans. The first name Robert is very common and the surname Decoteau is rare.

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.

How Many of Me
howmanyofme.org

There are 21 people with the name

Robert Decoteau

in the United States

How many have your name?

Share this result

Try another name