Explore the Family Name Cosper
The meaning of Cosper
Altered form of Casper.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Cosper in the United States?
According to the Decennial U.S. Census data, the popularity of the surname Cosper has seen a decline between 2000 and 2010. Ranked as the 11,032nd most popular surname in 2000, it dropped to the 12,525th position in 2010, indicating a change of -13.53%. The count of people with this surname also decreased from 2,644 in 2000 to 2,474 in 2010, marking a -6.43% change. Similarly, the proportion per 100,000 people fell by -14.29%, from 0.98 in 2000 to 0.84 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #11,032 | #12,525 | -13.53% |
| Count | 2,644 | 2,474 | -6.43% |
| Proportion per 100k | 0.98 | 0.84 | -14.29% |
Race and Ethnicity of people with the last name Cosper
In terms of ethnicity, the Decennial U.S. Census data shows some shifts within the Cosper surname bearers between 2000 and 2010. Individuals identifying as Asian/Pacific Islander doubled from 0.34% to 0.69%, while those claiming two or more races grew significantly from 1.32% to 2.38%. The percentage of individuals with White ethnic identity saw a slight decrease from 87.90% to 85.77%. Hispanic representation among the Cospers increased by 40.96%, going up from 1.66% to 2.34%. The Black category remained relatively stable, with a marginal increase from 8.06% to 8.08%. American Indian and Alaskan Native representation also slightly increased from 0.72% to 0.73%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 87.9% | 85.77% | -2.42% |
| Black | 8.06% | 8.08% | 0.25% |
| Two or More Races | 1.32% | 2.38% | 80.3% |
| Hispanic | 1.66% | 2.34% | 40.96% |
| American Indian and Alaskan Native | 0.72% | 0.73% | 1.39% |
| Asian/Pacific Islander | 0.34% | 0.69% | 102.94% |