US Population With Last Name Riojas By Race and Ethnicity in the 2000 Census
Updated on May 9, 2026.
Data Source: US Census Bureau.
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In the 2000 Census, there were 4,684 people in the US whose last name was Riojas, and the rate of occurence of the Riojas last name was 1.74 per 100K.
The highest percentage of people with the last name of Riojas identified their race as Hispanic or Latino (91.78%); the second highest percentage of people identified their race as Non Hispanic White Alone (6.75%); and the third highest percentage of people identified their race as Non Hispanic Black or African American Alone (0.53%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Riojas last name.
US Population With Last Name Riojas By Race And Ethniciity in the 2000 Census
25
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Hispanic or Latino | 4299 | 91.78 |
| Non Hispanic White Alone | 316 | 6.75 |
| Non Hispanic Black or African American Alone | 25 | 0.53 |
| Non Hispanic Two or More Races | 22 | 0.47 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 11 | 0.23 |
| Non Hispanic American Indian and Alaska Native Alone | 11 | 0.23 |