Explore the Family Name Janowiak

The meaning of Janowiak

Polish: patronymic from the personal name Jan. Some characteristic forenames: Polish Grzegorz, Ignacy, Stanislaw.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Janowiak in the United States?

The Janowiak surname has seen a slight increase in popularity over the decade according to data from the Decennial U.S. Census. In 2000, it was ranked as the 33,333rd most popular surname, moving up slightly to the 33,164th rank in 2010, reflecting a change of 0.51%. The number of individuals carrying the Janowiak surname also increased from 646 in 2000 to 690 in 2010, indicating a growth rate of 6.81%. Despite this growth, the proportion per 100,000 people dropped by 4.17%, going from 0.24 in 2000 to 0.23 in 2010.

20002010Change
Rank#33,333#33,1640.51%
Count6466906.81%
Proportion per 100k0.240.23-4.17%

Race and Ethnicity of people with the last name Janowiak

Looking at the ethnic identity associated with the Janowiak surname, based on the Decennial U.S. Census data, the majority of the individuals with this surname identified themselves as White, although there was a minor decrease of 0.93% from 2000 to 2010. There were no recorded individuals who identified as Asian/Pacific Islander or Black in either year. Interestingly, there was an impressive increase of 149.46% in those identifying as Hispanic from 2000 to 2010. Also, the percentage of individuals identifying as being of two or more races saw a small increase from 2.01% in 2000 to 2.03% in 2010. However, there was a drop to zero in those identifying as American Indian and Alaskan Native during the same period.

20002010Change
White95.67%94.78%-0.93%
Hispanic0.93%2.32%149.46%
Two or More Races2.01%2.03%1%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0.77%0%0%