US Population With Last Name Idelfonso 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 100 people in the US whose last name was Idelfonso, and the rate of occurence of the Idelfonso last name was 0.03 per 100K.
The highest percentage of people with the last name of Idelfonso identified their race as Hispanic or Latino (98%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Idelfonso last name.
US Population With Last Name Idelfonso By Race And Ethniciity in the 2010 Census
25
0 of 0
| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Hispanic or Latino | 98 | 98 |