Explore the Family Name Kloos
The meaning of Kloos
Dutch and German: variant of Dutch Klaas, German Klaus, from a short form of the personal name Nicolaas, Nikolaus (see Nicholas).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kloos in the United States?
According to the Decennial U.S. Census, the popularity of the surname 'Kloos' saw a slight decrease between 2000 and 2010. In 2000, Kloos was ranked as the 23,940th most common surname in the United States but dropped to 24,702 in 2010, representing a change of -3.18%. However, the actual number of people with the Kloos surname increased from 984 in 2000 to 1,010 in 2010, a growth of 2.64%. The proportion of individuals with the Kloos surname per 100k decreased by -5.56%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #23,940 | #24,702 | -3.18% |
| Count | 984 | 1,010 | 2.64% |
| Proportion per 100k | 0.36 | 0.34 | -5.56% |
Race and Ethnicity of people with the last name Kloos
The ethnic identity associated with the Kloos surname also experienced some changes according to the Decennial U.S. Census data. Those identifying as White made up the majority of individuals with this surname, although their percentage dropped slightly from 98.58% in 2000 to 96.53% in 2010. The Hispanic community using the Kloos surname saw substantial growth, increasing by 150.70% to 1.78% in 2010. Individuals identifying as Asian/Pacific Islander or of two or more races represented relatively small portions of the Kloos population in both years, while the Black and American Indian and Alaskan Native populations remained at 0%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 98.58% | 96.53% | -2.08% |
| Hispanic | 0.71% | 1.78% | 150.7% |
| Asian/Pacific Islander | 0% | 0.59% | 0% |
| Two or More Races | 0.51% | 0.5% | -1.96% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |