Explore the Family Name De Costa
The meaning of De Costa
Portuguese and Jewish: variant of Da Costa.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name De Costa in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname De Costa experienced a slight change between 2000 and 2010. The ranking of the surname fell from 9160 in 2000 to 9861 in 2010, indicating a drop of approximately 7.65%. Despite this shift in rank, the count of individuals with the De Costa surname has remained fairly stable, increasing by only 0.18% to 3280 in 2010 from 3274 in 2000. The proportion of this surname per 100K individuals decreased by 8.26%, reflecting its less frequent occurrence among the U.S population.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #9,160 | #9,861 | -7.65% |
| Count | 3,274 | 3,280 | 0.18% |
| Proportion per 100k | 1.21 | 1.11 | -8.26% |
Race and Ethnicity of people with the last name De Costa
The ethnic identity associated with the De Costa surname also shifted between 2000 and 2010, according to the Decennial U.S. Census. The largest group identifying with this surname was of White ethnicity, though there was a slight decrease from 71.99% in 2000 to 69.39% in 2010. The Hispanic and Black communities with this surname grew by 19.91% and 15.83% respectively. Those identifying as Asian/Pacific Islander and those of two or more races saw minor decreases, while those of American Indian and Alaskan Native descent decreased by 24.49%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 71.99% | 69.39% | -3.61% |
| Black | 10.42% | 12.07% | 15.83% |
| Hispanic | 6.38% | 7.65% | 19.91% |
| Two or More Races | 6.41% | 6.37% | -0.62% |
| Asian/Pacific Islander | 4.31% | 4.15% | -3.71% |
| American Indian and Alaskan Native | 0.49% | 0.37% | -24.49% |