Explore the Family Name Toguchi

The meaning of Toguchi

Japanese: written 戸口 ‘doorway’. It is found in eastern Japan and is also written phonetically in the Ryūkyū Islands as 渡口, 渡具知, or 渡久地.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Toguchi in the United States?

Based on data from the Decennial U.S. Census, the surname Toguchi has seen a slight decrease in popularity from 2000 to 2010. In the year 2000, it ranked 57,252 in terms of commonality across the United States but dropped to rank 59,603 in 2010, representing a change of -4.11%. Despite this decrease in rank, the actual count of individuals with the Toguchi surname increased by 1.8%, from 333 people in 2000 to 339 in 2010. However, when looking at the proportion per 100,000 people, there was an -8.33% change, dropping from 0.12 to 0.11.

	2000	2010	Change
Rank	#57,252	#59,603	-4.11%
Count	333	339	1.8%
Proportion per 100k	0.12	0.11	-8.33%

Race and Ethnicity of people with the last name Toguchi

In terms of ethnicity, the Decennial U.S. Census data indicates that the Toguchi surname is primarily associated with those of Asian/Pacific Islander descent. In 2000, 89.49% of people with this surname identified as Asian/Pacific Islander, though this figure decreased to 78.47% by 2010, a change of -12.31%. The number of individuals identifying as two or more races saw a significant increase of 130.62% during the same period, rising from 6.01% to 13.86%. Those identifying as White also increased slightly, from 4.20% to 5.01%. A new development in 2010 was the emergence of Hispanic identification amongst those with the Toguchi name, accounting for 2.06% of the total, whereas in 2000, there were no reported instances of this ethnic identity.

	2000	2010	Change
Asian/Pacific Islander	89.49%	78.47%	-12.31%
Two or More Races	6.01%	13.86%	130.62%
White	4.2%	5.01%	19.29%
Hispanic	0%	2.06%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%