Explore the Family Name Klinefelter
The meaning of Klinefelter
Americanized form of German Kleinfelder.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Klinefelter in the United States?
The surname Klinefelter has seen a slight decrease in popularity between 2000 and 2010 according to the Decennial U.S. Census. In 2000, it was ranked 19,931 in popularity with 1,247 individuals bearing the name. By 2010, the rank dropped to 20,758, although the count rose slightly to 1,273. This represents a decrease in popularity of approximately 4.15% over the decade. The proportion per 100k also experienced a decline from 0.46 to 0.43, marking a change of -6.52%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #19,931 | #20,758 | -4.15% |
| Count | 1,247 | 1,273 | 2.09% |
| Proportion per 100k | 0.46 | 0.43 | -6.52% |
Race and Ethnicity of people with the last name Klinefelter
In terms of ethnicity, the majority of individuals with the Klinefelter surname identified as White in both 2000 and 2010, according to the Decennial U.S. Census. However, there was a small decrease in this group over the decade, falling from 95.59% to 93.72%. In contrast, those identifying as Asian/Pacific Islander and those reporting two or more races saw significant increases in their percentages. The Asian/Pacific Islander group increased from 0.96% to 1.65% while the group identifying as two or more races rose from 1.04% to 1.89%. The proportion of individuals with this surname identifying as Hispanic fell slightly from 2.33% to 2.12%. There were no individuals who identified as Black or American Indian and Alaskan Native in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.59% | 93.72% | -1.96% |
| Hispanic | 2.33% | 2.12% | -9.01% |
| Two or More Races | 1.04% | 1.89% | 81.73% |
| Asian/Pacific Islander | 0.96% | 1.65% | 71.88% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |