Explore the Family Name Kosters

The meaning of Kosters

Dutch; North German (Kösters): patronymic from Koster 1 and 2. Compare Koesters. Some characteristic forenames: Dutch Egbert, Gerrit.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname "Kosters" has slightly decreased between 2000 and 2010. In 2000, it was ranked 51,352 in terms of popularity and fell to the 54,418th position in 2010, marking a change of -5.97. The count also dropped marginally from 381 in 2000 to 379 in 2010, a reduction of -0.52. Likewise, the proportion per 100,000 people dipped by -7.14, coming down from 0.14 in 2000 to 0.13 in 2010.

20002010Change
Rank#51,352#54,418-5.97%
Count381379-0.52%
Proportion per 100k0.140.13-7.14%

Race and Ethnicity of people with the last name Kosters

Regarding the ethnic identity associated with the Kosters surname, the Decennial U.S. Census data shows that the vast majority of individuals carrying this surname identify as White. In 2000, this demographic accounted for an overwhelming 98.95%, although this figure did decrease slightly to 95.25% in 2010. Notably, there was a small emergence of individuals identifying with two or more races and Hispanic ethnicity in 2010, accounting for 2.90% and 1.32% respectively. There were no significant changes in the Asian/Pacific Islander, Black, and American Indian and Alaskan Native demographics during this period.

20002010Change
White98.95%95.25%-3.74%
Two or More Races0%2.9%0%
Hispanic0%1.32%0%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%