US Population With Last Name Kleinfelter By Race and Ethnicity in the 2010 Census
Updated on May 9, 2026.
Data Source: US Census Bureau.
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In the 2010 Census, there were 571 people in the US whose last name was Kleinfelter, and the rate of occurence of the Kleinfelter last name was 0.19 per 100K.
The highest percentage of people with the last name of Kleinfelter identified their race as Non Hispanic White Alone (98.6%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Kleinfelter last name.
US Population With Last Name Kleinfelter By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 563 | 98.6 |