Explore the Family Name Janczewski
The meaning of Janczewski
Polish: habitational name for someone from Janczewo in Podlaskie Voivodeship or Janczewice in Masovian Voivodeship. Some characteristic forenames: Polish Andrzej, Grazyna, Jacek, Janusz, Miroslaw.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Janczewski in the United States?
Based on the Decennial U.S. Census, the surname Janczewski held a rank of 60,706 in terms of popularity in 2000 and slipped slightly to 61,745 in 2010, marking a change of -1.71%. The count of individuals with this surname increased by 4.84% from 310 in 2000 to 325 in 2010. The proportion per 100,000 people remained at 0.11, indicating that the surname's prevalence remains consistent within the general population.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #60,706 | #61,745 | -1.71% |
| Count | 310 | 325 | 4.84% |
| Proportion per 100k | 0.11 | 0.11 | 0% |
Race and Ethnicity of people with the last name Janczewski
In terms of ethnic identity, the Janczewski surname was predominantly linked to the White ethnicity, with 97.42% in 2000 and 95.69% in 2010, representing a minor decrease of 1.78%. Hispanic representation saw a significant increase of 109.94%, rising from 1.61% in 2000 to 3.38% in 2010. No Janczewski individuals identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either year. It should be noted that all this data is also based on the Decennial U.S. Census.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.42% | 95.69% | -1.78% |
| Hispanic | 1.61% | 3.38% | 109.94% |
| 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% |