Explore the Family Name Diffenderfer
The meaning of Diffenderfer
Americanized form of German Diefendörfer (see Diefenderfer).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Diffenderfer in the United States?
Based on the Decennial U.S. Census data, the surname Diffenderfer experienced a slight decrease in popularity from 2000 to 2010. In 2000, it was ranked 25,564th and fell to 26,853rd by 2010, marking a drop of approximately 5.04%. The actual count of individuals with this surname also decreased marginally from 907 in 2000 to 905 in 2010, which is a subtle reduction of 0.22%. The proportion per 100k people also saw an 8.82% decline from 0.34 to 0.31 over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #25,564 | #26,853 | -5.04% |
| Count | 907 | 905 | -0.22% |
| Proportion per 100k | 0.34 | 0.31 | -8.82% |
Race and Ethnicity of people with the last name Diffenderfer
In terms of ethnicity, again based on the Decennial U.S. Census data, there was a notable shift in the ethnic identity associated with the Diffenderfer surname. A large majority of individuals with this surname identified as White, although this percentage decreased slightly from 96.69% in 2000 to 93.81% in 2010. Simultaneously, there was a substantial increase in those identifying with two or more races, from 0.77% to 2.21%, showing a growth of 187.01%. Furthermore, the Hispanic segment also increased from 1.76% to 3.09%, a 75.57% jump. No individuals with the Diffenderfer surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.69% | 93.81% | -2.98% |
| Hispanic | 1.76% | 3.09% | 75.57% |
| Two or More Races | 0.77% | 2.21% | 187.01% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |