Explore the Family Name Koperski
The meaning of Koperski
Polish: derivative of koper ‘dill’ or kopr ‘copper’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Koperski in the United States?
Based on the Decennial U.S. Census, the surname Koperski saw minor fluctuations in popularity between 2000 and 2010. During this period, its rank slipped slightly from 47,389 to 48,060, marking a decline of 1.42%. However, the number of individuals with this surname actually increased by 4.51% during this span, going up from 421 to 440. Even with this increase, the proportion of people named Koperski per 100k inhabitants dipped by 6.25%, suggesting that the overall population growth outpaced the rise in the number of Koperskis.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #47,389 | #48,060 | -1.42% |
| Count | 421 | 440 | 4.51% |
| Proportion per 100k | 0.16 | 0.15 | -6.25% |
Race and Ethnicity of people with the last name Koperski
In terms of ethnic identity, the data from the Decennial U.S. Census shows that the majority of people with the surname Koperski identified as White in both 2000 and 2010, though the percentage dropped slightly from 97.15% to 94.77%. The proportion of Koperskis identifying as Hispanic saw a significant increase, jumping from 1.43% in 2000 to 3.86% in 2010. Meanwhile, there were no Koperskis who identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.15% | 94.77% | -2.45% |
| Hispanic | 1.43% | 3.86% | 169.93% |
| 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% |