Explore the Family Name Ontko

The meaning of Ontko

Slovak: unexplained.

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

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

Based on the data from the Decennial U.S. Census, the surname Ontko has experienced a slight decrease in popularity over the past decade. In 2000, the surname ranked 48,963 and dropped to 52,736 by 2010, indicating a 7.71% decrease in its popularity. The count of people with the Ontko surname also decreased slightly from 404 in 2000 to 393 in 2010, showing a change of -2.72%. The proportion of individuals with the Ontko surname per 100k people also saw a drop from 0.15 in 2000 to 0.13 in 2010, marking a 13.33% decline.

20002010Change
Rank#48,963#52,736-7.71%
Count404393-2.72%
Proportion per 100k0.150.13-13.33%

Race and Ethnicity of people with the last name Ontko

The ethnic identity associated with the Ontko surname is predominantly White according to the Decennial U.S. Census data. In 2000, 98.76% of people with this surname identified as White, which slightly decreased to 97.46% by 2010. There was no reported Asian/Pacific Islander, Black, Hispanic, or individuals of two or more races associated with the Ontko surname in both 2000 and 2010. However, there was a small increase in the American Indian and Alaskan Native population from 0% in 2000 to 1.27% in 2010. This suggests that the Ontko surname may be diversifying in terms of ethnic identity, albeit very slightly.

20002010Change
White98.76%97.46%-1.32%
American Indian and Alaskan Native0%1.27%0%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic0%0%0%
Black0%0%0%