US Population With Last Name Hennigan By Race and Ethnicity in the 2000 Census
Updated on May 9, 2026.
Data Source: US Census Bureau.
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In the 2000 Census, there were 2,901 people in the US whose last name was Hennigan, and the rate of occurence of the Hennigan last name was 1.08 per 100K.
The highest percentage of people with the last name of Hennigan identified their race as Non Hispanic White Alone (87.9%); the second highest percentage of people identified their race as Non Hispanic Black or African American Alone (8.76%); and the third highest percentage of people identified their race as Hispanic or Latino (1.31%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Hennigan last name.
US Population With Last Name Hennigan By Race And Ethniciity in the 2000 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 2550 | 87.9 |
| Non Hispanic Black or African American Alone | 254 | 8.76 |
| Hispanic or Latino | 38 | 1.31 |
| Non Hispanic Two or More Races | 34 | 1.17 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 15 | 0.52 |
| Non Hispanic American Indian and Alaska Native Alone | 10 | 0.34 |