Explore the Family Name Sedlack

The meaning of Sedlack

Americanized or Germanized form of Czech Sedlák (see Sedlak).

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

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

Based on the Decennial U.S. Census data, the surname Sedlack experienced a slight decrease in popularity between 2000 and 2010. In 2000, it was ranked 43,798 in popularity and by 2010, it had fallen to 46,902 - a change of approximately -7.09%. Similarly, the count of people with this surname declined from 464 in 2000 to 453 in 2010, marking a -2.37% change. The proportion of individuals with the surname per 100,000 also saw a decrease from 0.17 in 2000 to 0.15 in 2010, a drop of -11.76%.

20002010Change
Rank#43,798#46,902-7.09%
Count464453-2.37%
Proportion per 100k0.170.15-11.76%

Race and Ethnicity of people with the last name Sedlack

The ethnicity associated with the surname Sedlack, according to the Decennial U.S. Census, remained predominantly White from 2000 to 2010, though there was a slight decrease from 98.28% to 97.35%, resulting in a -0.95% change over the decade. The Hispanic representation within this surname saw an increase during this period, rising from 1.29% in 2000 to 1.55% in 2010 - a growth of 20.16%. No individuals with the surname Sedlack identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during either census year.

20002010Change
White98.28%97.35%-0.95%
Hispanic1.29%1.55%20.16%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%