Explore the Family Name Duplechain
The meaning of Duplechain
Altered form of Duplechin, a surname of French origin.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Duplechain in the United States?
Based on the Decennial U.S. Census, the surname Duplechain has seen a slight increase in popularity between 2000 and 2010, moving up from rank 27085 to 26598. The count of individuals with this surname also increased by 8.92 percent during this period, from 841 to 916. However, despite this growth, the proportion per 100,000 people remained static at 0.31.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #27,085 | #26,598 | 1.8% |
| Count | 841 | 916 | 8.92% |
| Proportion per 100k | 0.31 | 0.31 | 0% |
Race and Ethnicity of people with the last name Duplechain
When it comes to ethnic identity, the Duplechain surname is predominantly associated with White ethnicity, accounting for 72.82 percent in 2010, up from 71.70 percent in 2000 according to the Decennial U.S. Census. The percentage of individuals identifying as Black decreased slightly from 26.28 percent to 23.80 percent over the same timeframe. There was also a notable increase in the percentage of those identifying as Hispanic, growing from 0.95 percent to 1.75 percent. The data shows a small percentage of individuals identified as belonging to two or more races in 2010, while there were none reported in 2000. No individuals with the Duplechain surname identified as Asian/Pacific Islander or American Indian and Alaskan Native in both census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 71.7% | 72.82% | 1.56% |
| Black | 26.28% | 23.8% | -9.44% |
| Hispanic | 0.95% | 1.75% | 84.21% |
| Two or More Races | 0% | 0.87% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0.83% | 0% | 0% |