Explore the Family Name Diefendorf
The meaning of Diefendorf
German: habitational name, apparently from a lost or unidentified place called Diefendorf. It is possible that the place in question is in fact Dübendorf near Zurich, Switzerland, which became to Diebenderf in the Palatinate (listed as a name of the Palatines), and subsequently transformed to Diefendorf, modified on the model of Diefenbach, a very frequent surname in southwestern Germany.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Diefendorf in the United States?
Based on the Decennial U.S. Census, the surname Diefendorf's popularity shifted from 2000 to 2010. In 2000, the name was ranked 48,567th in frequency and by 2010, it had slipped slightly to 49,723rd, a decrease of about 2.38%. However, the actual number of people with this surname increased from 408 to 422, indicating a small growth of 3.43%. The proportion of individuals with this surname per 100,000 people also decreased slightly, from 0.15 in 2000 to 0.14 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #48,567 | #49,723 | -2.38% |
| Count | 408 | 422 | 3.43% |
| Proportion per 100k | 0.15 | 0.14 | -6.67% |
Race and Ethnicity of people with the last name Diefendorf
When it comes to ethnic identity, the Decennial U.S. Census data reveals that the majority of the Diefendorfs identified as White in both 2000 and 2010, although the percentage decreased slightly from 97.55% to 96.21%. There was an increase in the percentage of Diefendorfs identifying as Hispanic, from 1.72% in 2000 to 2.37% in 2010. The data for other ethnic identities including Asian/Pacific Islander, Black, Two or more races, and American Indian and Alaskan Native either remained at zero or were suppressed, meaning they aren't available for privacy reasons.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.55% | 96.21% | -1.37% |
| Hispanic | 1.72% | 2.37% | 37.79% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |