Explore the Family Name Duffer
How common is the last name Duffer in the United States?
Based on the Decennial U.S. Census data, the surname Duffer saw a slight decrease in popularity between 2000 and 2010. Ranked 24,162nd most popular in 2000, it slipped to the 24,855th spot by the end of the decade, marking a change of -2.87%. However, the absolute count of people bearing the Duffer surname increased marginally from 973 to 1,001 during this period, indicating a growth of 2.88%. The proportion per 100,000 individuals also fell slightly from 0.36 to 0.34, a decrease of 5.56%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #24,162 | #24,855 | -2.87% |
| Count | 973 | 1,001 | 2.88% |
| Proportion per 100k | 0.36 | 0.34 | -5.56% |
Race and Ethnicity of people with the last name Duffer
As for the ethnic identity associated with the Duffer surname, data from the Decennial U.S. Census indicates a predominantly White ethnicity, with 95.38% identified as such in 2000 and 94.81% in 2010, marking a minor decrease of 0.60%. During the same period, representation among Hispanic individuals rose slightly by 4.17%, from 2.88% to 3.00%, while Black representation also increased by 11.11%, although remaining low overall at 0.80% in 2010. The data also shows an increase in individuals identifying with two or more races, up by 52.78% to 1.10% in 2010. No individuals bearing the Duffer surname were identified as Asian/Pacific Islander or American Indian and Alaskan Native in either census year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.38% | 94.81% | -0.6% |
| Hispanic | 2.88% | 3% | 4.17% |
| Two or More Races | 0.72% | 1.1% | 52.78% |
| Black | 0.72% | 0.8% | 11.11% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |