Explore the Family Name Duffek

The meaning of Duffek

Czech: variant of Dufek.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Duffek has increased from 2000 to 2010. In 2000, the surname ranked 55,124 in popularity with a count of 349, while in 2010, it moved up to rank 51,941 with an increase in count to 400. This represents a popularity change of approximately 5.77%, and a count increase of 14.61%. The proportion of individuals with this surname per 100,000 people also rose slightly over the decade from 0.13 to 0.14, indicating a growth rate of 7.69%.

20002010Change
Rank#55,124#51,9415.77%
Count34940014.61%
Proportion per 100k0.130.147.69%

Race and Ethnicity of people with the last name Duffek

The data from the Decennial U.S. Census further reveals changes in the ethnic identity associated with the surname Duffek between 2000 and 2010. In both years, the majority of individuals with this surname identified as White, although there was a slight decrease from 92.55% to 91.50%. There was a notable increase in individuals identifying as Hispanic, which rose by 61.69%, from 2.01% to 3.25%. There were small percentages identifying as having two or more races and as American Indian and Alaskan Native, with these groups experiencing decreases of 23.58% and 22.48% respectively. The proportions of individuals identifying as Asian/Pacific Islander and Black were reported as zero for both years.

20002010Change
White92.55%91.5%-1.13%
Hispanic2.01%3.25%61.69%
American Indian and Alaskan Native2.58%2%-22.48%
Two or More Races2.29%1.75%-23.58%
Asian/Pacific Islander0%0%0%
Black0%0%0%