Explore the Family Name De Kay
The meaning of De Kay
Americanized form of Dutch De Keij (see Key).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name De Kay in the United States?
According to the Decennial U.S. Census, the popularity of the surname De Kay experienced a slight decline from 2000 to 2010. In 2000, it was ranked 46,331st in terms of popularity and by 2010, it had slipped to 47,878th, a drop of 3.34%. However, the actual count of individuals with the De Kay surname increased slightly over the same period, from 433 in 2000 to 442 in 2010 – an increase of 2.08%. The proportion per 100,000 people also saw a small decrease of 6.25%, going from 0.16 to 0.15.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #46,331 | #47,878 | -3.34% |
| Count | 433 | 442 | 2.08% |
| Proportion per 100k | 0.16 | 0.15 | -6.25% |
Race and Ethnicity of people with the last name De Kay
On the subject of ethnic identity associated with the De Kay surname, the data from the Decennial U.S. Census shows that the majority of individuals with this last name identify as White, making up 90.72% of the population in 2010, a minor decrease from 90.99% in 2000. The Hispanic population saw a significant increase of 17.53%, going from representing 4.62% in 2000 to 5.43% in 2010. The presence of Asian/Pacific Islander among De Kays disappeared completely by 2010, down from 1.39% in 2000, while those identifying with two or more races appeared for the first time in 2010 at 1.58%. Meanwhile, the representation of American Indian and Alaskan Native decreased by 26.49%, falling from 1.85% in 2000 to 1.36% in 2010. The Black population remained constant at 0% for both census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 90.99% | 90.72% | -0.3% |
| Hispanic | 4.62% | 5.43% | 17.53% |
| Two or More Races | 0% | 1.58% | 0% |
| American Indian and Alaskan Native | 1.85% | 1.36% | -26.49% |
| Asian/Pacific Islander | 1.39% | 0% | 0% |
| Black | 0% | 0% | 0% |