Explore the Family Name Phi

The meaning of Phi

Vietnamese (Phí): from the Chinese surname 費, see Fei 1.

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

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

Based on the Decennial U.S. Census data, the surname Phi has been growing in popularity across the United States. In 2000, Phi was ranked the 50,468th most common surname, but by 2010, it had surged to the 44,653rd position, marking an impressive increase of 11.52%. Additionally, the number of individuals bearing this surname expanded by over 23%, with a total count rising from 389 in 2000 to 481 in 2010. The proportion of people named Phi per 100,000 also saw a growth of 14.29%.

20002010Change
Rank#50,468#44,65311.52%
Count38948123.65%
Proportion per 100k0.140.1614.29%

Race and Ethnicity of people with the last name Phi

Regarding the ethnic identity associated with the Phi surname, the Decennial U.S. Census data paints a diverse picture. The majority of the people with the Phi surname identify their ethnicity as Asian/Pacific Islander, making up 85.86% in 2010, slightly down from 86.63% in 2000. Occupying the second spot are those who identify with two or more races, though their proportion decreased by 24.09% over the decade. The percentage of individuals identifying as White showed a notable increase, moving up from 5.4% to 6.65%. Conversely, those identifying as Hispanic saw a decrease in representation, falling from 2.31% to 2.08%. Lastly, the percentage of individuals identifying as Black was not reported in 2010 due to suppression for privacy reasons.

20002010Change
Asian/Pacific Islander86.63%85.86%-0.89%
White5.4%6.65%23.15%
Two or More Races4.11%3.12%-24.09%
Hispanic2.31%2.08%-9.96%
Black1.54%0%0%
American Indian and Alaskan Native0%0%0%