US Population With Last Name Diaz 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 347,636 people in the US whose last name was Diaz, and the rate of occurence of the Diaz last name was 117.85 per 100K.
The race of 92.56% of the people with the last name of Diaz was Hispanic or Latino (i.e. 321,772 people); 5.19% was Non Hispanic White Alone (i.e. 18,042 people); and 1.19% was Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone (i.e. 4,137 people).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Diaz last name.
US Population With Last Name Diaz By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Hispanic or Latino | 321772 | 92.56 |
| Non Hispanic White Alone | 18042 | 5.19 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 4137 | 1.19 |
| Non Hispanic Black or African American Alone | 2260 | 0.65 |
| Non Hispanic Two or More Races | 869 | 0.25 |
| Non Hispanic American Indian and Alaska Native Alone | 556 | 0.16 |