US Population With Last Name Guillaume 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 3,230 people in the US whose last name was Guillaume, and the rate of occurence of the Guillaume last name was 1.09 per 100K.
The highest percentage of people with the last name of Guillaume identified their race as Non Hispanic Black or African American Alone (67.65%); the second highest percentage of people identified their race as Non Hispanic White Alone (26.87%); and the third highest percentage of people identified their race as Hispanic or Latino (2.6%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Guillaume last name.
US Population With Last Name Guillaume By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic Black or African American Alone | 2185 | 67.65 |
| Non Hispanic White Alone | 868 | 26.87 |
| Hispanic or Latino | 84 | 2.6 |
| Non Hispanic Two or More Races | 75 | 2.32 |