Explore the Family Name Deffenbaugh

The meaning of Deffenbaugh

Americanized form of German Dieffenbach.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Deffenbaugh in the United States?

Based on the Decennial U.S. Census, the popularity of the surname Deffenbaugh decreased between 2000 and 2010. In the year 2000, it was ranked 19,128th but fell to 21,080th in 2010, a decline of 10.2%. The count of people with this surname also dropped by 5.25% from 1,315 in 2000 to 1,246 in 2010. This drop is reflected in the proportion per 100,000 people, which fell by 14.29% from 0.49 to 0.42 during the same decade.

20002010Change
Rank#19,128#21,080-10.2%
Count1,3151,246-5.25%
Proportion per 100k0.490.42-14.29%

Race and Ethnicity of people with the last name Deffenbaugh

The ethnicity data from the Decennial U.S. Census shows that the majority of individuals with the surname Deffenbaugh identify as White, with proportions of 94.90% in 2000 and 94.70% in 2010. During the same period, there was a slight increase in those identifying as Hispanic, from 2.43% to 2.49%. Notably, there were no recorded individuals of Asian/Pacific Islander or American Indian and Alaskan Native descent with this surname in either year. The percentage of those identifying with two or more races fell from 1.60% to 1.44%, and Black individuals represented 0.64% of the Deffenbaugh population in 2010, up from 0% in 2000.

20002010Change
White94.9%94.7%-0.21%
Hispanic2.43%2.49%2.47%
Two or More Races1.6%1.44%-10%
Black0%0.64%0%
Asian/Pacific Islander0%0%0%
American Indian and Alaskan Native0.61%0%0%