US Population With Last Name Koan 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 144 people in the US whose last name was Koan, and the rate of occurence of the Koan last name was 0.05 per 100K.
The highest percentage of people with the last name of Koan identified their race as Non Hispanic White Alone (72.92%); and the second highest percentage of people identified their race as Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone (22.22%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Koan last name.
US Population With Last Name Koan By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 105 | 72.92 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 32 | 22.22 |