Explore the Family Name Diefenbach
The meaning of Diefenbach
German: habitational name from any of various places called Diefenbach, in the Rhineland and Württemberg. Some characteristic forenames: German Kurt, Ernst, Herta.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Diefenbach in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Diefenbach saw a slight decrease between 2000 and 2010. The rank of the surname fell from 24,784 in 2000 to 25,620 in 2010, recording a change of -3.37%. However, the count of individuals with this surname increased slightly from 943 in 2000 to 963 in 2010, marking a growth rate of 2.12%. The proportion per 100k also declined from 0.35 in 2000 to 0.33 in 2010, showing a decline of -5.71%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #24,784 | #25,620 | -3.37% |
| Count | 943 | 963 | 2.12% |
| Proportion per 100k | 0.35 | 0.33 | -5.71% |
Race and Ethnicity of people with the last name Diefenbach
In terms of ethnicity, the census data shows some changes over the decade. While the white population having the Diefenbach surname decreased slightly from 95.33% in 2000 to 93.56% in 2010, the Hispanic group showed an increase from 2.44% to 3.74%, marking a growth of 53.28%. The percentage of individuals identifying with two or more ethnicities also rose significantly from 0.64% in 2000 to 1.14% in 2010, indicating a huge leap of 78.13%. On the other hand, the Asian/Pacific Islander group saw a small decrease from 1.06% to 1.04%. The black community and American Indian and Alaskan Native community had no representation in both the years. Please note that the data was suppressed for privacy.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.33% | 93.56% | -1.86% |
| Hispanic | 2.44% | 3.74% | 53.28% |
| Two or More Races | 0.64% | 1.14% | 78.13% |
| Asian/Pacific Islander | 1.06% | 1.04% | -1.89% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |