US Population With Last Name Dennis 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 78,482 people in the US whose last name was Dennis, and the rate of occurence of the Dennis last name was 26.61 per 100K.
The race of 65.6% of the people with the last name of Dennis was Non Hispanic White Alone (i.e. 51,484 people); 27.84% was Non Hispanic Black or African American Alone (i.e. 21,849 people); and 2.88% was Hispanic or Latino (i.e. 2,260 people).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Dennis last name.
US Population With Last Name Dennis By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 51484 | 65.6 |
| Non Hispanic Black or African American Alone | 21849 | 27.84 |
| Hispanic or Latino | 2260 | 2.88 |
| Non Hispanic Two or More Races | 1797 | 2.29 |
| Non Hispanic American Indian and Alaska Native Alone | 620 | 0.79 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 471 | 0.6 |