Explore the Family Name Rostkowski
The meaning of Rostkowski
Polish and Jewish (from Poland): habitational name for someone from a place called Rostkowo or Rostki (several villages), or Rostkowice in Masovian Voivodeship. Some characteristic forenames: Polish Jadwiga, Wieslaw, Zbigniew.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Rostkowski in the United States?
Based on the Decennial U.S. Census data, the surname Rostkowski has seen a slight dip in popularity between 2000 and 2010. In 2000, it was ranked as the 58,397th most common surname and by 2010, it had fallen to the 62,531st position, marking a drop of around 7.08 percent. The total number of individuals bearing the surname also slightly decreased from 325 in 2000 to 320 in 2010, representing a decrease of approximately 1.54 percent. The proportion of people with this surname for every 100,000 people also saw a decrease by about 8.33 percent.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #58,397 | #62,531 | -7.08% |
| Count | 325 | 320 | -1.54% |
| Proportion per 100k | 0.12 | 0.11 | -8.33% |
Race and Ethnicity of people with the last name Rostkowski
The Decennial U.S. Census data also reveals some interesting trends regarding the ethnic identity of individuals with the surname Rostkowski. In the year 2000, almost all (98.15 percent) identified as White. However, this percentage fell slightly to 95.94 percent by 2010. During the same period, there was a small increase in those identifying as Hispanic, rising to 2.19 percent in 2010 from no recorded Hispanics in 2000. Additionally, a small proportion (1.56 percent) identified with two or more races in 2010, a category that was not represented in the 2000 data. There were no recorded individuals identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either 2000 or 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 98.15% | 95.94% | -2.25% |
| Hispanic | 0% | 2.19% | 0% |
| Two or More Races | 0% | 1.56% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |