Explore the Family Name Riha

The meaning of Riha

Czech (Řiha): from a pet form of Řehoř, Czech form of Latin Gregorius (see Gregory).

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Riha saw a slight decline from the year 2000 to 2010. In 2000, Riha was ranked the 19,976th most popular surname, but by 2010 it had dropped to the 21,960th position, a decrease of approximately 9.93%. Furthermore, the count of people bearing the Riha surname also decreased during this period, from 1,243 in 2000 to 1,182 in 2010, representing a drop of 4.91%. The proportion of individuals with this surname per 100,000 also saw a decrease, moving from 0.46 to 0.4, a 13.04% decline.

	2000	2010	Change
Rank	#19,976	#21,960	-9.93%
Count	1,243	1,182	-4.91%
Proportion per 100k	0.46	0.4	-13.04%

Race and Ethnicity of people with the last name Riha

The ethnic identity associated with the Riha surname, according to the Decennial U.S. Census data, saw some shifts between 2000 and 2010. The proportion identifying as White slightly decreased from 96.38% in 2000 to 95.43% in 2010. There was a small increase in those identifying as Hispanic, rising from 0.72% in 2000 to 1.35% in 2010, a significant increase of 87.50%. Those identifying as Asian/Pacific Islander declined slightly from 0.97% to 0.85%, and there was an increase in those identifying with two or more races, from 1.13% to 1.61%. The percentages for Black and American Indian and Alaskan Native remained at zero for both years, indicating that no individuals with the Riha surname identified with these ethnicities in either census year.

	2000	2010	Change
White	96.38%	95.43%	-0.99%
Two or More Races	1.13%	1.61%	42.48%
Hispanic	0.72%	1.35%	87.5%
Asian/Pacific Islander	0.97%	0.85%	-12.37%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%