Explore the Family Name Dettlaff

The meaning of Dettlaff

German: variant of Dethloff. Some characteristic forenames: German Alois, Erwin.

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

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

Based on the Decennial U.S. Census, the surname Dettlaff has seen a slight decrease in popularity between 2000 and 2010. In 2000, it was ranked 74,957 and dropped to 81,458 by 2010, marking an 8.67% change. The total count of people with the Dettlaff surname also saw a small decline from 240 in 2000 to 232 in 2010, representing a 3.33% change. Consequently, the proportion per 100,000 people decreased by 11.11%, from 0.09 in 2000 to 0.08 in 2010.

20002010Change
Rank#74,957#81,458-8.67%
Count240232-3.33%
Proportion per 100k0.090.08-11.11%

Race and Ethnicity of people with the last name Dettlaff

With respect to ethnicity, the Decennial U.S. Census data shows that the majority of individuals with the Dettlaff surname identify as White, which increased slightly from 96.25% in 2000 to 97.41% in 2010. The representation of Hispanic individuals within this surname decreased by 26.03%, going from 2.92% in 2000 to 2.16% in 2010. No individuals with this surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either 2000 or 2010.

20002010Change
White96.25%97.41%1.21%
Hispanic2.92%2.16%-26.03%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%