US Population With Last Name Kirby By Race and Ethnicity in the 2010 Census
Updated on December 11, 2025.
Data Source: US Census Bureau.
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In the 2010 Census, there were 53,767 people in the US whose last name was Kirby, and the rate of occurence of the Kirby last name was 18.23 per 100K.
The race of 85.9% of the people with the last name of Kirby was Non Hispanic White Alone (i.e. 46,186 people); 9.16% was Non Hispanic Black or African American Alone (i.e. 4,925 people); and 1.93% was Hispanic or Latino (i.e. 1,038 people).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Kirby last name.
US Population With Last Name Kirby By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 46186 | 85.9 |
| Non Hispanic Black or African American Alone | 4925 | 9.16 |
| Hispanic or Latino | 1038 | 1.93 |
| Non Hispanic Two or More Races | 957 | 1.78 |
| Non Hispanic American Indian and Alaska Native Alone | 392 | 0.73 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 269 | 0.5 |