Explore the Family Name Janz
The meaning of Janz
1. German: patronymic from the personal name Jan 1. Compare Johnson. 2. Germanized form of Slovenian Janc: nickname from a vernacular spelling of janjec ‘lamb’, or a patronymic from (a short form of) the personal name Janez, an equivalent of John. Compare Jantz 2 and Yantz 2. Some characteristic forenames: German Gerhard, Armin, Franz, Guenter, Siegfried.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Janz in the United States?
Based on the Decennial U.S. Census data, the surname Janz saw a slight decrease in popularity between 2000 and 2010. In 2000, it was ranked 19,865th most common surname, with a total of 1,252 individuals carrying this surname. However, by 2010, it fell to 22,106th place with 1,171 individuals, marking an overall change of -11.28% in ranking and -6.47% in count. The proportion of people with this surname per 100k also dropped by 13.04%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #19,865 | #22,106 | -11.28% |
| Count | 1,252 | 1,171 | -6.47% |
| Proportion per 100k | 0.46 | 0.4 | -13.04% |
Race and Ethnicity of people with the last name Janz
According to the same Decennial U.S. Census data, there have been some changes in the ethnic identity associated with the surname Janz between 2000 and 2010. The majority of individuals with this surname identified as White, though this percentage decreased slightly from 94.97% to 93.34%. Interestingly, there was a significant increase in those identifying with two or more races, from 1.04% in 2000 to 1.96% in 2010. The percentage of those identifying as Asian/Pacific Islander remained fairly stable, while the percentage identifying as Hispanic increased from 2.00% to 2.39%. During this period, there were no individuals who identified as Black or American Indian and Alaskan Native.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 94.97% | 93.34% | -1.72% |
| Hispanic | 2% | 2.39% | 19.5% |
| Two or More Races | 1.04% | 1.96% | 88.46% |
| Asian/Pacific Islander | 1.12% | 1.11% | -0.89% |
| Black | 0.4% | 0% | 0% |
| American Indian and Alaskan Native | 0.48% | 0% | 0% |