Explore the Family Name Casio

The meaning of Casio

1. Hispanic: probably from a Spanish form of the Latin personal name Cassius. 2. Italian: in Emilia probably a habitational name from a placename Casio (from the Latin personal name Accasius) in Bologna province; in Apulia possibly a variant of Cassio, a cognate of 1 above. This surname is very rare in Italy.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Casio has seen a slight decline between 2000 and 2010. Ranked at 42,289 in 2000, it fell to 48,436 in 2010, representing a decrease of 14.54%. Similarly, the count of individuals bearing this name also dropped from 483 to 436 during these years. This indicates a decline in the proportion per 100k from 0.18 to 0.15, marking a drop of 16.67%.

	2000	2010	Change
Rank	#42,289	#48,436	-14.54%
Count	483	436	-9.73%
Proportion per 100k	0.18	0.15	-16.67%

Race and Ethnicity of people with the last name Casio

In terms of ethnicity, again referring to the data derived from the Decennial U.S. Census, there has been a notable increase in the percentage of people with the surname Casio identifying as Asian/Pacific Islander and Hispanic. The Asian/Pacific Islander representation rose by 10.78%, moving from 23.19% in 2000 to 25.69% in 2010. The Hispanic demographic also saw an increase of 6.54%, climbing from 48.65% in 2000 to 51.83% in 2010. Conversely, the White population with this surname decreased significantly, dropping 20.61% from 24.84% in 2000 to 19.72% in 2010. The percentages for those identifying as Black, American Indian, and Alaskan Native, or two or more races remained relatively stable or slightly declined over the decade.

	2000	2010	Change
Hispanic	48.65%	51.83%	6.54%
Asian/Pacific Islander	23.19%	25.69%	10.78%
White	24.84%	19.72%	-20.61%
Two or More Races	1.86%	1.83%	-1.61%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%