US Population With Last Name Koi 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 180 people in the US whose last name was Koi, and the rate of occurence of the Koi last name was 0.06 per 100K.
The highest percentage of people with the last name of Koi identified their race as Non Hispanic White Alone (56.11%); the second highest percentage of people identified their race as Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone (31.67%); and the third highest percentage of people identified their race as Hispanic or Latino (3.89%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Koi last name.
US Population With Last Name Koi By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 101 | 56.11 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 57 | 31.67 |
| Hispanic or Latino | 7 | 3.89 |
| Non Hispanic Two or More Races | 6 | 3.33 |