Explore the Family Name Koyanagi
How common is the last name Koyanagi in the United States?
Based on the Decennial U.S. Census, the popularity of the surname Koyanagi saw a slight decline between 2000 and 2010. The rank of the surname dropped from 57,544 in 2000 to 62,045 in 2010, indicating a decrease in its prevalence by approximately 7.82%. In terms of count, or how many people carried this surname, there was also a modest drop from 331 in 2000 to 323 in 2010, a decline of about 2.42%. The proportion of this surname per 100,000 people also fell by 8.33% over this decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #57,544 | #62,045 | -7.82% |
| Count | 331 | 323 | -2.42% |
| Proportion per 100k | 0.12 | 0.11 | -8.33% |
Race and Ethnicity of people with the last name Koyanagi
The ethnic identity associated with the surname Koyanagi is primarily Asian/Pacific Islander, as highlighted in the Decennial U.S. Census data. However, there was a slight decrease in this association from 86.10% in 2000 to 84.83% in 2010. Interestingly, the number of individuals identifying as two or more races increased by 14.39%, moving from 7.85% in 2000 to 8.98% in 2010. The percentage of those identifying as White slightly decreased from 4.83% to 4.64%. The data for 2010 also shows a small emergence of Hispanic identification at 1.55%, whereas it was non-existent in the 2000 census data. There were no associations with Black, American Indian, and Alaskan Native identities in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Asian/Pacific Islander | 86.1% | 84.83% | -1.48% |
| Two or More Races | 7.85% | 8.98% | 14.39% |
| White | 4.83% | 4.64% | -3.93% |
| Hispanic | 0% | 1.55% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |