Explore the Family Name Onderdonk

The meaning of Onderdonk

Flemish and Dutch: variant, mostly Americanized, of Onderdonck, a topographic name composed of onder ‘below, under, lower’ + donk ‘small hill’.

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

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

The surname Onderdonk was ranked 42,437 in popularity in 2000 and dropped slightly to 42,511 in 2010, as reflected in the Decennial U.S. Census data. The count of people with this surname increased by 6.03% from 481 in 2000 to 510 in 2010. Despite this increase in numbers, the proportion of the Onderdonk surname per 100,000 people saw a decrease of 5.56%, dropping from 0.18 to 0.17.

20002010Change
Rank#42,437#42,511-0.17%
Count4815106.03%
Proportion per 100k0.180.17-5.56%

Race and Ethnicity of people with the last name Onderdonk

Drawing from the Decennial U.S. Census, the Onderdonk surname is predominantly associated with individuals identifying as white, which accounted for 93.14% in 2010, decreasing slightly from 94.80% in 2000. People who identified as Hispanic increased significantly from 1.25% to 3.14%. Those identifying as Asian/Pacific Islander decreased from 1.25% to 0.98%, and individuals claiming two or more races increased from 1.25% to 2.35%. There were no individuals with the Onderdonk surname who identified as Black in either 2000 or 2010, and no one identified as American Indian and Alaskan Native in 2010, while they constituted 1.46% in 2000.

20002010Change
White94.8%93.14%-1.75%
Hispanic1.25%3.14%151.2%
Two or More Races1.25%2.35%88%
Asian/Pacific Islander1.25%0.98%-21.6%
Black0%0%0%
American Indian and Alaskan Native1.46%0%0%