Explore the Family Name Kleffman
The meaning of Kleffman
1. Americanized form of North German Kleffmann: topographic name from Middle Low German clēf, cleff ‘cliff, precipice’ + man ‘man’. 2. Americanized form of German Kleffmann: habitational name for someone from Cleve (now Kleve) in the Lower Rhine area, or from any of various places, also in the Rhineland, called Kleff.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kleffman in the United States?
Based on the Decennial U.S. Census, the surname Kleffman has seen a slight decrease in popularity between 2000 and 2010. In 2000, it was ranked 61,544 in popularity, but dropped to 64,388 in 2010, marking a 4.62% decrease. However, despite this drop in rank, the actual count of individuals bearing the surname slightly increased from 305 to 309 during the same period, showing a 1.31% growth. The proportion of people with the Kleffman surname per 100,000 also declined by 9.09%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #61,544 | #64,388 | -4.62% |
| Count | 305 | 309 | 1.31% |
| Proportion per 100k | 0.11 | 0.1 | -9.09% |
Race and Ethnicity of people with the last name Kleffman
When examining the ethnicity of those with the surname Kleffman as presented by the Decennial U.S. Census, it is predominantly associated with those identifying as White, with an increase from 96.07% in 2000 to 97.41% in 2010. Meanwhile, the percentage of American Indian and Alaskan Native individuals with this surname decreased from 3.61% in 2000 to zero in 2010. During both years, there were no reported instances of the surname among those identifying as Asian/Pacific Islander, Black, Hispanic or belonging to two or more races.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.07% | 97.41% | 1.39% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 3.61% | 0% | 0% |