Explore the Family Name Klontz

The meaning of Klontz

1. Variant of Clontz, itself an altered form of German Glantz. 2. Possibly also an old variant or an Americanized form of German Klonz: topographic name from Slavic klon ‘maple’.

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

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

Based on the Decennial U.S. Census, the surname Klontz has seen a decrease in popularity from 2000 to 2010. In 2000, it was ranked 49,159th, but by 2010 it had dropped to 57,781st, reflecting a decrease of 17.54%. The total count of individuals with this surname also declined from 402 in 2000 to 352 in 2010, marking a 12.44% reduction. The proportion of people bearing the Klontz surname per 100,000 also fell by 20% during the same period.

20002010Change
Rank#49,159#57,781-17.54%
Count402352-12.44%
Proportion per 100k0.150.12-20%

Race and Ethnicity of people with the last name Klontz

The ethnic identity associated with the surname Klontz, as indicated by the Decennial U.S. Census, remained predominantly white from 2000 to 2010, with no change recorded at 96.02%. The proportion identifying as two or more races decreased from 2.24% to 1.42%, a drop of 36.61%. In 2000, 1.24% identified as Hispanic, but by 2010 there were no reported instances of the surname among those identifying as Hispanic. No individuals with the Klontz surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either year.

20002010Change
White96.02%96.02%0%
Two or More Races2.24%1.42%-36.61%
Asian/Pacific Islander0%0%0%
Hispanic1.24%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%