US Population With Last Name Janeczek 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 330 people in the US whose last name was Janeczek, and the rate of occurence of the Janeczek last name was 0.12 per 100K.
The highest percentage of people with the last name of Janeczek identified their race as Non Hispanic White Alone (99.09%).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Janeczek last name.
US Population With Last Name Janeczek By Race And Ethniciity in the 2000 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 327 | 99.09 |