Explore the Family Name Dettmann

The meaning of Dettmann

German: from a derivative of the old personal name Dettmar (see Dittmar and Dittmann, of which this is a variant).

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

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

Based on the Decennial U.S. Census, the surname Dettmann has seen a slight decrease in popularity over a decade. In 2000, it was ranked 26,876th, dropping slightly to 27,376th in 2010, which translates to a decrease of 1.86%. However, the count of individuals with this surname increased from 850 in 2000 to 882 in 2010, marking a growth of 3.76%. The proportion per 100,000 people declined by 6.25% during this time frame, moving from 0.32 to 0.3.

20002010Change
Rank#26,876#27,376-1.86%
Count8508823.76%
Proportion per 100k0.320.3-6.25%

Race and Ethnicity of people with the last name Dettmann

In terms of ethnic identity, the Decennial U.S. Census data reveals that the majority of individuals with the surname Dettmann identify as White. In 2000, 97.76% of Dettmanns were White, reducing minutely to 97.39% in 2010. This represents a minor change of -0.38%. A small percentage identified as Hispanic, decreasing slightly from 1.06% in 2000 to 1.02% in 2010, resulting in a 3.77% change. Those identifying as two or more races increased from 0.82% in 2000 to 0.91% in 2010, reflecting an almost 11% increase. It's notable that there were no recorded instances of Dettmanns identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either year.

20002010Change
White97.76%97.39%-0.38%
Hispanic1.06%1.02%-3.77%
Two or More Races0.82%0.91%10.98%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%