US Population With Last Name Koosmann 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 202 people in the US whose last name was Koosmann, and the rate of occurence of the Koosmann last name was 0.07 per 100K.
The highest percentage of people with the last name of Koosmann identified their race as Non Hispanic White Alone (98.51%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Koosmann last name.
US Population With Last Name Koosmann By Race And Ethniciity in the 2000 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 199 | 98.51 |