Explore the Family Name Decou
The meaning of Decou
French: variant of Decoux or of its cognate Descoux, a habitational name, with fused preposition and definite article des ‘from the’, for someone from Les Coux, the name of several places in various parts of France. In North America, the surname Decou is (also) an altered form of the name Decoux. History: This surname is listed (also in the form De Cou) along with its original form De Coux in the (US) National Huguenot Society’s register of qualified Huguenot ancestors. Some characteristic forenames: French Emile, Antoine, Eugenie.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Decou in the United States?
According to the data sourced from the Decennial U.S. Census, the surname Decou has seen a rise in popularity between 2000 and 2010. In 2000, it was ranked as the 46,523rd most popular surname, while in 2010 it moved up to the 44,730th position, marking a change of 3.85%. In terms of count, there were 431 individuals with this surname in 2000, and this number increased to 480 by 2010, reflecting an 11.37% increase. The proportion per 100,000 people remained consistent at 0.16.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #46,523 | #44,730 | 3.85% |
| Count | 431 | 480 | 11.37% |
| Proportion per 100k | 0.16 | 0.16 | 0% |
Race and Ethnicity of people with the last name Decou
Regarding ethnicity, the Decennial U.S. Census data reveals that the majority of individuals with the Decou surname identify as White, with percentages of 82.60 in 2000 and slightly lower at 82.08 in 2010. This represents a small decrease of 0.63%. In contrast, those identifying as Hispanic saw the largest percentage increase, from 1.62 in 2000 to 2.71 in 2010, marking a significant 67.28% change. Individuals identifying as Black also saw an increase, with 12.53% in 2000 and 12.92% in 2010. Interestingly, there were no individuals with this surname who identified as Asian/Pacific Islander or American Indian and Alaskan Native during both census years. Those identifying with two or more races saw a slight increase from 1.86% in 2000 to 1.88% in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 82.6% | 82.08% | -0.63% |
| Black | 12.53% | 12.92% | 3.11% |
| Hispanic | 1.62% | 2.71% | 67.28% |
| Two or More Races | 1.86% | 1.88% | 1.08% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |