Explore the Family Name Onderko

The meaning of Onderko

Czech and Slovak: from a derivative of the personal name Czech Ondřej, Slovak Ondrej (see Andreas).

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

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

Based on the Decennial U.S. Census data, the surname Onderko has shown a small increase in popularity between 2000 and 2010. The rank of this surname rose from 55971 to 55841, demonstrating a slight positive change of 0.23%. Additionally, the count of individuals with this last name grew by roughly 7.31%, increasing from 342 to 367 persons. However, when considering the proportion per 100,000 people, there is a diminutive decrease of -7.69%, reducing from 0.13 in 2000 to 0.12 in 2010.

20002010Change
Rank#55,971#55,8410.23%
Count3423677.31%
Proportion per 100k0.130.12-7.69%

Race and Ethnicity of people with the last name Onderko

In terms of ethnic identity, the Decennial U.S. Census data shows that the majority of individuals with the Onderko surname identify as White, with an incremental increase of 0.23% from 2000 to 2010. This shift takes the percentage of white individuals bearing this last name from 96.78% to 97%. There was a reported percentage of 1.75% identifying as Hispanic in 2000; however, this figure dropped to zero in 2010. There were no recorded instances of this surname among individuals identifying as Asian/Pacific Islander, Black, Two or more races, or American Indian and Alaskan Native during the decades under review.

20002010Change
White96.78%97%0.23%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic1.75%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%