Explore the Family Name Otsuka
The meaning of Otsuka
Japanese (Ōtsuka): written 大塚 ‘large tomb mound’. Tomb mounds and places called after them are found in all but the far north of Japan, but the surname is found mostly in eastern Japan. Several families with this name have samurai connections of various origins. Some characteristic forenames: Japanese Akira, Koji, Hiroyuki, Kazuo, Kenji, Kiyoshi, Noriko, Takashi, Tsutomu, Yoshihiko, Yukichi, Akemi.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Otsuka in the United States?
The surname Otsuka, according to data from the Decennial U.S. Census, saw a subtle shift in its popularity between 2000 and 2010. The rank of this surname slipped from 28,700 in 2000 to 29,878 in 2010, marking a decrease of 4.1%. However, the count of individuals bearing this surname slightly increased by 0.64%, rising from 781 in 2000 to 786 in 2010. Nevertheless, the proportion of people with this surname per 100,000 showed a decline of 6.9%, moving from 0.29 in 2000 to 0.27 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #28,700 | #29,878 | -4.1% |
| Count | 781 | 786 | 0.64% |
| Proportion per 100k | 0.29 | 0.27 | -6.9% |
Race and Ethnicity of people with the last name Otsuka
The ethnic identity associated with the surname Otsuka also experienced some changes over the same decade, as shown in the Decennial U.S. Census data. The Asian/Pacific Islander category, which made up the majority of the Otsuka surname bearers, decreased by 10.04%, from 81.18% in 2000 to 73.03% in 2010. Interestingly, those identifying with two or more races significantly increased by 113.44%, jumping from 7.81% in 2000 to 16.67% in 2010. Conversely, the percentages of White and Hispanic ethnicities both declined slightly, by 7.81% and 6.42% respectively. There was no recorded change for African Americans or American Indians/Alaskan Natives bearing the Otsuka surname during this period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Asian/Pacific Islander | 81.18% | 73.03% | -10.04% |
| Two or More Races | 7.81% | 16.67% | 113.44% |
| White | 8.83% | 8.14% | -7.81% |
| Hispanic | 2.18% | 2.04% | -6.42% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |