Explore the Family Name Dulong
The meaning of Dulong
French: 1. patronymic, with fused preposition and definite article du ‘of the’, from the nickname (Le) Long ‘(the) long, (the) tall’ (see Long and Lelong). 2. habitational name, with fused preposition and definite article du ‘from the’, for someone from Le Long, the name of several places in various parts of France.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Dulong in the United States?
Based on the Decennial U.S. Census, the popularity of the surname Dulong has seen a decline over the decade from 2000 to 2010. In 2000, the surname was ranked 31,014 in terms of prevalence, but by 2010, it had dropped to a ranking of 39,117, indicating a decrease of 26.13%. Also, the count of individuals with this surname fell from 708 to 563 during the same period, reflecting a 20.48% drop. The proportion per 100,000 people also decreased from 0.26 to 0.19, signifying a 26.92% decline.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #31,014 | #39,117 | -26.13% |
| Count | 708 | 563 | -20.48% |
| Proportion per 100k | 0.26 | 0.19 | -26.92% |
Race and Ethnicity of people with the last name Dulong
Regarding the ethnic identity associated with the surname Dulong, the data from the Decennial U.S. Census provides some interesting insights. In 2000, 93.93% of the bearers of this surname identified as White, and this figure remained almost stable at 93.61% in 2010. The percentage of those identifying as Hispanic rose slightly from 2.68% in 2000 to 3.73% in 2010. There was also a small increase in the percentage of individuals who identified with two or more races, from 1.41% to 1.78%. Interestingly, there were no bearers of the surname Dulong who identified as Asian/Pacific Islander in 2010, down from 1.84% in 2000. Similarly, none identified as Black or American Indian and Alaskan Native in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 93.93% | 93.61% | -0.34% |
| Hispanic | 2.68% | 3.73% | 39.18% |
| Two or More Races | 1.41% | 1.78% | 26.24% |
| Asian/Pacific Islander | 1.84% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |