Explore the Family Name Del Duca
The meaning of Del Duca
Italian (Sicily and Naples): literally ‘of or belonging to the duke’ (see Duca), an occupational name for a servant or retainer of a duke. Some characteristic forenames: Italian Pasquale, Americo, Antonio, Mario, Matteo, Rocco.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Del Duca in the United States?
The surname Del Duca saw a slight decrease in popularity between 2000 and 2010, according to data from the Decennial U.S. Census. In 2000, Del Duca was ranked as the 37,319th most popular surname; by 2010, it had slipped to 38,484th place, representing a change of -3.12%. However, the actual count of individuals with this surname increased slightly over this decade, rising from 562 in 2000 to 575 in 2010, a 2.31% increase. Nevertheless, when adjusted for population growth, the proportion of Del Ducas per 100,000 people dropped by 9.52%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #37,319 | #38,484 | -3.12% |
| Count | 562 | 575 | 2.31% |
| Proportion per 100k | 0.21 | 0.19 | -9.52% |
Race and Ethnicity of people with the last name Del Duca
In terms of ethnic identity, the majority of individuals with the Del Duca surname identified as White in both the 2000 and 2010 Decennial U.S. Census surveys. However, there was a small decrease in this percentage from 96.09% in 2000 to 93.91% in 2010. The second largest ethnic group within this surname was Hispanic, which decreased slightly from 2.31% to 2.09% over the decade. Interestingly, the proportion of Del Ducas identifying as belonging to two or more races more than doubled from 1.25% to 2.61%. There were no individuals who identified as Black, Asian/Pacific Islander, American Indian or Alaskan Native in 2000, but by 2010, some members of the surname did identify as Asian/Pacific Islander.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.09% | 93.91% | -2.27% |
| Two or More Races | 1.25% | 2.61% | 108.8% |
| Hispanic | 2.31% | 2.09% | -9.52% |
| Asian/Pacific Islander | 0% | 0.87% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |