Explore the Family Name Kosch

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

Based on the Decennial U.S. Census data, the surname Kosch has seen a slight decrease in popularity from 2000 to 2010. In 2000, the name was ranked at 31,986 and by 2010, it had dropped to 33,410, a change of -4.45%. Despite the drop in ranking, the actual count of people with the surname slightly increased from 681 in 2000 to 683 in 2010, an increase of 0.29%. However, the proportion of people with the surname per 100k decreased by 8.0% over that decade.

20002010Change
Rank#31,986#33,410-4.45%
Count6816830.29%
Proportion per 100k0.250.23-8%

Race and Ethnicity of people with the last name Kosch

Looking at the ethnic identity of those with the surname Kosch according to the Decennial U.S. Census, there was a notable shift between 2000 and 2010. The majority of individuals with this surname identified as White, though there was a small decrease from 96.77% in 2000 to 94.58% in 2010. There were increases in other ethnic identities as well. For instance, those identifying as Hispanic rose sharply from 0.73% to 1.90%, a 160.27% increase. Similarly, those identifying as two or more races increased from 1.17% to 1.61%, a 37.61% increase. The proportion of Black individuals also saw a slight uptick from 0.88% to 1.02%. There was no representation for American Indian and Alaskan Native or Asian/Pacific Islander in 2000, but by 2010, a small percentage (0.88%) of individuals with the surname Kosch identified as Asian/Pacific Islander.

20002010Change
White96.77%94.58%-2.26%
Hispanic0.73%1.9%160.27%
Two or More Races1.17%1.61%37.61%
Black0.88%1.02%15.91%
Asian/Pacific Islander0%0.88%0%
American Indian and Alaskan Native0%0%0%