US Population With Last Name Alfonso 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 12,246 people in the US whose last name was Alfonso, and the rate of occurence of the Alfonso last name was 4.15 per 100K.
The highest percentage of people with the last name of Alfonso identified their race as Hispanic or Latino (67.39%); the second highest percentage of people identified their race as Non Hispanic White Alone (19.79%); and the third highest percentage of people identified their race as Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone (10.44%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Alfonso last name.
US Population With Last Name Alfonso By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Hispanic or Latino | 8253 | 67.39 |
| Non Hispanic White Alone | 2423 | 19.79 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 1278 | 10.44 |
| Non Hispanic Black or African American Alone | 153 | 1.25 |
| Non Hispanic Two or More Races | 121 | 0.99 |
| Non Hispanic American Indian and Alaska Native Alone | 16 | 0.13 |