Explore the Family Name Koike
The meaning of Koike
Japanese: written 小池 ‘small lake’. Some families descend from the Taira clan, some from the northern Fujiwara, and others from the Seiwa Genji. This surname is found mainly in eastern Japan and also in the Ryūkyū Islands. Some characteristic forenames: Japanese Hideo, Hitoshi, Kazunari, Kazuo, Masami, Osamu, Satoshi, Shigeo, Shinichi, Toshio, Tsuyoshi, Yasuo.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Koike in the United States?
Based on the Decennial U.S. Census, the surname Koike experienced a minor shift in popularity between 2000 and 2010. Ranked at 47,026 in 2000, the surname slid to rank 48,530 in 2010, representing a slight decrease of 3.2%. Despite this drop in rank, the actual count of individuals with the surname increased slightly from 425 in 2000 to 435 in 2010, marking a growth rate of 2.35%. However, when considered proportionally per 100,000 people, there was a small decline of 6.25% over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #47,026 | #48,530 | -3.2% |
| Count | 425 | 435 | 2.35% |
| Proportion per 100k | 0.16 | 0.15 | -6.25% |
Race and Ethnicity of people with the last name Koike
In terms of ethnic identity, the majority of individuals with the surname Koike identified as Asian/Pacific Islander according to the Decennial U.S. Census data. This group constituted 84.24% of all Koikes in 2000, dipping slightly to 81.84% by 2010. The second largest ethnicity group identifying with the surname were those of White ethnicity, increasing marginally from 8.47% to 8.97% over the ten years. Additionally, those identifying as two or more races saw an increase of 16.5%, while the Hispanic segment also grew significantly by 55.93%. The Black and American Indian/Alaskan Native identities remained static at zero.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Asian/Pacific Islander | 84.24% | 81.84% | -2.85% |
| White | 8.47% | 8.97% | 5.9% |
| Two or More Races | 6.12% | 7.13% | 16.5% |
| Hispanic | 1.18% | 1.84% | 55.93% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |