US Population With Last Name Mastenbrook 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 286 people in the US whose last name was Mastenbrook, and the rate of occurence of the Mastenbrook last name was 0.1 per 100K.
The highest percentage of people with the last name of Mastenbrook identified their race as Non Hispanic White Alone (97.2%); and the second highest percentage of people identified their race as Non Hispanic American Indian and Alaska Native Alone (1.75%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Mastenbrook last name.
US Population With Last Name Mastenbrook By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 278 | 97.2 |
| Non Hispanic American Indian and Alaska Native Alone | 5 | 1.75 |