Explore the Family Name Jilek

The meaning of Jilek

Czech (Jílek): from a pet form of the personal name Jiljí, from Latin Aegidius (see Giles).

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

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

Based on the data from the Decennial U.S. Census, the popularity of the surname Jilek has increased between 2000 and 2010. In 2000, it was ranked 27,924 in terms of prevalence, but by 2010, it had climbed to 27,059, showing a positive change of 3.1 percent. During this period, the count of individuals with the Jilek surname rose from 809 to 895, marking an increase of 10.63 percent. However, the proportion of people named Jilek per 100,000 remained unchanged at 0.3.

20002010Change
Rank#27,924#27,0593.1%
Count80989510.63%
Proportion per 100k0.30.30%

Race and Ethnicity of people with the last name Jilek

The ethnicity associated with the surname Jilek also experienced changes over the decade, as indicated by the Decennial U.S. Census. In 2000, 98.02 percent of those with the surname identified as White, but by 2010, this percentage dropped to 95.87, showing a decrease of 2.19 percent. Interestingly, there were shifts towards more ethnic diversity within this surname group during this period. While there were no recorded individuals identifying as Black or Hispanic in 2000, by 2010, 1.45 percent and 1.12 percent of the Jileks respectively identified with these ethnic identities. Additionally, 1.01 percent reported having two or more races. There was no change in the number of individuals who identified as Asian/Pacific Islander or American Indian and Alaskan Native.

20002010Change
White98.02%95.87%-2.19%
Black0.74%1.45%95.95%
Hispanic0%1.12%0%
Two or More Races0%1.01%0%
Asian/Pacific Islander0%0%0%
American Indian and Alaskan Native0%0%0%