Explore the Family Name Koelker
The meaning of Koelker
German: occupational name for a lime burner, a variant of Kalker (see Kalk, Kalkbrenner).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Koelker in the United States?
According to the data from the Decennial U.S. Census, the popularity of the surname Koelker has seen a slight decline between 2000 and 2010. The rank of the surname dropped from 61,376 in 2000 to 70,833 in 2010, reflecting a decrease of 15.41%. In terms of count, there were 306 individuals with this surname in 2000 which fell to 276 by 2010, marking a reduction of 9.8%. The proportion of individuals with the surname per 100k also decreased by 18.18%, falling from 0.11 in 2000 to 0.09 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #61,376 | #70,833 | -15.41% |
| Count | 306 | 276 | -9.8% |
| Proportion per 100k | 0.11 | 0.09 | -18.18% |
Race and Ethnicity of people with the last name Koelker
The ethnic identity associated with the surname Koelker, as outlined in the Decennial U.S. Census, primarily lies within the White demographic. In 2000, 98.69% of individuals with this surname identified as White, which slightly decreased to 97.46% in 2010. Over the decade, the representation of this surname within the category of "Two or more races" saw an increase, moving up to 1.81% in 2010 from no representation in 2000. However, there were no individuals with the Koelker surname who identified as Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native in either 2000 or 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 98.69% | 97.46% | -1.25% |
| Two or More Races | 0% | 1.81% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |