Explore the Family Name Hirayama

The meaning of Hirayama

Japanese: written 平山 ‘peaceful mountain’. It is mainly found in eastern Japan and the Ryūkyū Islands. There are several unrelated families bearing this name. Some characteristic forenames: Japanese Masahiro, Megumi, Hiroshi, Nobuo, Osamu, Shiro, Akira, Asao, Chikako, Chikara, Goichi, Goro.

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

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

Based on the Decennial U.S. Census, the surname Hirayama has seen a rise in popularity over the past decade. In 2000, it ranked as the 41,924th most common surname, but by 2010, it had climbed to the 40,610th position, marking a change of 3.13%. The count of individuals with this surname also increased by 10.25% from 488 in 2000 to 538 in 2010. Despite these changes, the proportion of Hirayamas per 100,000 people remained stable at 0.18.

	2000	2010	Change
Rank	#41,924	#40,610	3.13%
Count	488	538	10.25%
Proportion per 100k	0.18	0.18	0%

Race and Ethnicity of people with the last name Hirayama

The ethnicity associated with the surname Hirayama is predominantly Asian/Pacific Islander, though there have been some shifts over time, according to the Decennial U.S. Census data. In 2000, about 87.09% identified as Asian/Pacific Islander, but this figure dropped to 77.32% by 2010. Simultaneously, the percentage identifying with two or more races nearly doubled, going from 6.97% to 13.01%. There was also a noticeable increase among those identifying as White, which rose from 4.30% to 6.32%, and Hispanic, which went from 1.43% to 3.16%. No change was noted in the Black and American Indian and Alaskan Native categories as their representation remained at zero for both census years.

	2000	2010	Change
Asian/Pacific Islander	87.09%	77.32%	-11.22%
Two or More Races	6.97%	13.01%	86.66%
White	4.3%	6.32%	46.98%
Hispanic	1.43%	3.16%	120.98%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%