Explore the Family Name Nikolaou

The meaning of Nikolaou

Greek: patronymic from the genitive case of the personal name Nikolaos (see Nicholas). Compare Nicolaou.

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

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

Based on the Decennial U.S. Census, the surname Nikolaou has grown in popularity from 2000 to 2010. In 2000, Nikolaou was ranked as the 111,740th most popular surname, while by the 2010 census, it had risen to 101,247th, showing a positive change of 9.39%. The count of individuals with this surname also exhibited growth, jumping from 146 recorded instances in 2000 to 178 in 2010 – an increase of 21.92%. Proportionally, there were 0.05 Nikolaous per 100k people in 2000, and by 2010 that number had increased by 20.00% to 0.06.

20002010Change
Rank#111,740#101,2479.39%
Count14617821.92%
Proportion per 100k0.050.0620%

Race and Ethnicity of people with the last name Nikolaou

Regarding ethnicity based on the Decennial U.S. Census data, the majority of individuals with the surname Nikolaou identified as White, making up 91.10% in 2000 and growing to 98.31% by 2010. In 2000, 8.22% of Nikolaous reported having two or more races, but this percentage dropped to zero by 2010. There were no reported instances of individuals with the Nikolaou surname identifying as Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native in either 2000 or 2010.

20002010Change
White91.1%98.31%7.91%
Asian/Pacific Islander0%0%0%
Two or More Races8.22%0%-100%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%