Explore the Family Name Olczak
The meaning of Olczak
Polish: 1. patronymic from the personal name Olcza, a petform of Olek. 2. possibly also a topographic name for someone who lived by an alder tree, from a derivative of olcza, a variant of olsza ‘alder’. Some characteristic forenames: Polish Wladyslaw, Wlodek.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Olczak in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname 'Olczak' fell between 2000 and 2010. In 2000, it was ranked 49,965th most popular surname, but by 2010, it had dropped to 55,505th, a decline of 11.09%. The total count of people with this surname also decreased, from 394 in 2000 to 370 in 2010, marking a decrease of 6.09%. Accordingly, the proportion of people with the surname 'Olczak' per 100,000 population also decreased by 13.33% during this period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #49,965 | #55,505 | -11.09% |
| Count | 394 | 370 | -6.09% |
| Proportion per 100k | 0.15 | 0.13 | -13.33% |
Race and Ethnicity of people with the last name Olczak
The Decennial U.S. Census data reveals that the ethnic identity associated with the surname 'Olczak' is almost exclusively White. In both 2000 and 2010, over 98% of those carrying the surname identified as White, with only a minor decrease of 0.06% over the decade. There were no recorded individuals with this surname who identified as Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native. The data for individuals identifying with two or more races was suppressed for privacy reasons.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 98.98% | 98.92% | -0.06% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |