Explore the Family Name Kosack

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

Based on the Decennial U.S. Census data, the surname Kosack has seen a decrease in popularity between 2000 and 2010. The rank of this surname dropped from 78,838 in 2000 to 97,671 in 2010, marking a decrease of roughly 24%. The actual count of people with this surname also declined from 225 in 2000 to 186 in 2010, a decline of approximately 17%. The proportion per 100,000 people with the surname Kosack decreased by 25% over the same period.

20002010Change
Rank#78,838#97,671-23.89%
Count225186-17.33%
Proportion per 100k0.080.06-25%

Race and Ethnicity of people with the last name Kosack

As for the ethnic identity associated with the surname Kosack, the Decennial U.S. Census data reveals that there was a minor shift in the distribution between 2000 and 2010. The percentage of individuals identifying as White decreased slightly from 96.89% to 94.09%. At the same time, those identifying as Hispanic saw an increase from 2.67% to 4.84%. Despite these changes, no individuals with the surname Kosack identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year.

20002010Change
White96.89%94.09%-2.89%
Hispanic2.67%4.84%81.27%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%