Explore the Family Name Janacek
The meaning of Janacek
Czech and Slovak (Janáček): from a pet form of the personal name Janák (see Janak), itself a derivative of Jan (Slovak Ján) ‘John’. Compare Yanacek.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Janacek in the United States?
Based on the Decennial U.S. Census data, the surname Janacek has seen a slight decline in popularity over a decade. In 2000, it ranked 51,809 among all surnames in the U.S., while in 2010, it fell to 55,255. This represents a drop of approximately 6.65%. The count of individuals with this surname also slightly decreased from 377 in 2000 to 372 in 2010, showing a decrease of 1.33%. Consequently, the proportion of people named Janacek per 100,000 population declined by 7.14% over the same period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #51,809 | #55,255 | -6.65% |
| Count | 377 | 372 | -1.33% |
| Proportion per 100k | 0.14 | 0.13 | -7.14% |
Race and Ethnicity of people with the last name Janacek
The ethnicity associated with the Janacek surname also changed somewhat during the 2000s, according to the Decennial U.S. Census data. The majority of people with this surname identified as White, with a small increase in this group from 96.29% in 2000 to 97.04% in 2010. The Hispanic identity also experienced a significant rise, increasing by 44.62% over the same period. However, there were no individuals who identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.29% | 97.04% | 0.78% |
| Hispanic | 1.86% | 2.69% | 44.62% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |