US Population With Last Name Quach 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 9,894 people in the US whose last name was Quach, and the rate of occurence of the Quach last name was 3.35 per 100K.
The highest percentage of people with the last name of Quach identified their race as Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone (96.52%); the second highest percentage of people identified their race as Non Hispanic Two or More Races (1.73%); and the third highest percentage of people identified their race as Hispanic or Latino (0.75%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Quach last name.
US Population With Last Name Quach By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 9550 | 96.52 |
| Non Hispanic Two or More Races | 171 | 1.73 |
| Hispanic or Latino | 74 | 0.75 |
| Non Hispanic White Alone | 68 | 0.69 |
| Non Hispanic Black or African American Alone | 24 | 0.24 |
| Non Hispanic American Indian and Alaska Native Alone | 7 | 0.07 |