Explore the Family Name Duca
The meaning of Duca
1. Italian: from the title of rank duca ‘duke’ (from Latin dux, genitive ducis ‘leader’), an occupational name for someone who lived or worked in the household of a duke or a nickname for someone who gave himself airs and graces like a duke. Compare Lo Duca. 2. Romanian: from an old title duca ‘vaivode, duke’, of Greek and ultimately of Latin origin (see 1 above). Some characteristic forenames: Italian Antonio, Gino, Maurizio, Philomena.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Duca in the United States?
Based on the Decennial U.S. Census, the Duca surname has seen a marginal increase in its popularity between 2000 and 2010. The rank of the surname Duca dropped from 19575 to 20248, indicating a slight decrease in popularity by 3.44%. However, the count of individuals with the surname rose from 1275 to 1314, showing an increase of 3.06%. The proportion per 100,000 people decreased by 4.26% from 0.47 to 0.45, suggesting that while the absolute number of people with the Duca surname increased, their overall share of the population slightly reduced.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #19,575 | #20,248 | -3.44% |
| Count | 1,275 | 1,314 | 3.06% |
| Proportion per 100k | 0.47 | 0.45 | -4.26% |
Race and Ethnicity of people with the last name Duca
In terms of ethnic identity, data from the Decennial U.S. Census shows some shifts in the distribution of the Duca surname across different groups. The percentage of those identifying as Asian/Pacific Islander saw a modest increase from 3.84% to 3.96%, marking a 3.13% change. Those who identified as two or more races saw a slight decrease from 1.80% to 1.67%. The largest group, white, also experienced a small decline from 90.27% to 88.96%. Notably, the proportion of those identifying as Hispanic showed a significant jump from 2.67% to 4.64%, demonstrating a 73.78% increase. There were no changes for those identifying as Black or American Indian and Alaskan Native, with both groups registering 0% in both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 90.27% | 88.96% | -1.45% |
| Hispanic | 2.67% | 4.64% | 73.78% |
| Asian/Pacific Islander | 3.84% | 3.96% | 3.13% |
| Two or More Races | 1.8% | 1.67% | -7.22% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |