US Population With Last Name Williamson 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 114,959 people in the US whose last name was Williamson, and the rate of occurence of the Williamson last name was 38.97 per 100K.
The race of 77.17% of the people with the last name of Williamson was Non Hispanic White Alone (i.e. 88,714 people); 17.41% was Non Hispanic Black or African American Alone (i.e. 20,014 people); and 2.27% was Hispanic or Latino (i.e. 2,610 people).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Williamson last name.
US Population With Last Name Williamson By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 88714 | 77.17 |
| Non Hispanic Black or African American Alone | 20014 | 17.41 |
| Hispanic or Latino | 2610 | 2.27 |
| Non Hispanic Two or More Races | 2230 | 1.94 |
| Non Hispanic American Indian and Alaska Native Alone | 805 | 0.7 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 575 | 0.5 |