US Population With Last Name Knapp By Race and Ethnicity in the 2010 Census
Updated on December 11, 2025.
Data Source: US Census Bureau.
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In the 2010 Census, there were 41,771 people in the US whose last name was Knapp, and the rate of occurence of the Knapp last name was 14.16 per 100K.
The race of 94.71% of the people with the last name of Knapp was Non Hispanic White Alone (i.e. 39,561 people); 2.27% was Hispanic or Latino (i.e. 948 people); and 1.36% was Non Hispanic Two or More Races (i.e. 568 people).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Knapp last name.
US Population With Last Name Knapp By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 39561 | 94.71 |
| Hispanic or Latino | 948 | 2.27 |
| Non Hispanic Two or More Races | 568 | 1.36 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 267 | 0.64 |
| Non Hispanic Black or African American Alone | 242 | 0.58 |
| Non Hispanic American Indian and Alaska Native Alone | 184 | 0.44 |