Explore the Family Name Kawaguchi
The meaning of Kawaguchi
Japanese: written 川口 or 河口 ‘mouth of the river’. It is found throughout Japan and the Ryūkyū Islands. One prominent family of Kii (now Wakayama prefecture) were samurai. Some characteristic forenames: Japanese Haruhiko, Isamu, Kenji, Masashi, Toshiaki, Yoshihiro, Aki, Akira, Hiro, Kazuo, Kohei, Mitsuo.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kawaguchi in the United States?
Based on the Decennial U.S. Census data, the Kawaguchi surname has seen a slight fluctuation in its popularity between 2000 and 2010. In 2000, it was ranked 25,169th most popular, but by 2010, it had slipped to 25,751st, marking a 2.31% decrease. Despite this drop in rank, the actual count of individuals with the Kawaguchi surname increased from 924 in 2000 to 957 in 2010, indicating a 3.57% rise. However, when considering the proportion per 100,000 people, the prevalence of the Kawaguchi name declined by 5.88% over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #25,169 | #25,751 | -2.31% |
| Count | 924 | 957 | 3.57% |
| Proportion per 100k | 0.34 | 0.32 | -5.88% |
Race and Ethnicity of people with the last name Kawaguchi
The ethnicity associated with the Kawaguchi surname also experienced some changes between 2000 and 2010 according to the Decennial U.S. Census. The majority of individuals with this surname identified as Asian/Pacific Islander in both years, though there was a 4.49% decrease in this group from 79.65% to 76.07%. The percentage identifying as having two or more ethnic identities saw a significant increase of 45.44% from 7.90% to 11.49%. The percentage of individuals identifying as White dipped slightly from 9.85% to 9.20%, while those identifying as Hispanic experienced a growth of 24.62%, moving from 2.60% to 3.24%. There were no changes for those identifying as Black or American Indian and Alaskan Native, with both remaining at 0.00%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Asian/Pacific Islander | 79.65% | 76.07% | -4.49% |
| Two or More Races | 7.9% | 11.49% | 45.44% |
| White | 9.85% | 9.2% | -6.6% |
| Hispanic | 2.6% | 3.24% | 24.62% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |