US Population With Last Name Flatness 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 242 people in the US whose last name was Flatness, and the rate of occurence of the Flatness last name was 0.09 per 100K.
The highest percentage of people with the last name of Flatness identified their race as Non Hispanic White Alone (93.8%); and the second highest percentage of people identified their race as Non Hispanic Two or More Races (3.72%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Flatness last name.
US Population With Last Name Flatness By Race And Ethniciity in the 2000 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 227 | 93.8 |
| Non Hispanic Two or More Races | 9 | 3.72 |