Explore the Family Name Jencks

The meaning of Jencks

English: variant of Jenks.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Jencks showed a slight decrease in rank from 33,142 in 2000 to 34,390 in 2010. Despite this drop in rank, the count of people with the Jencks surname experienced a modest increase of 1.23 percent, growing from 651 in 2000 to 659 in 2010. However, when considering the proportion per 100,000 people, there was an 8.33 percent decrease, showing that while the number of individuals with the surname grew, it did not keep pace with overall population growth.

20002010Change
Rank#33,142#34,390-3.77%
Count6516591.23%
Proportion per 100k0.240.22-8.33%

Race and Ethnicity of people with the last name Jencks

The ethnicity breakdown for the Jencks surname, based on the Decennial U.S. Census data, indicates some changes between 2000 and 2010. The percentage of individuals identifying as White decreased slightly by 0.42 percent, while those identifying as Hispanic saw a significant increase of 97.40 percent. Individuals claiming two or more ethnic identities increased by 14 percent. Notably, there was also a new emergence of Asian/Pacific Islander identification within this surname group in 2010, which was not recorded in 2000. There were no changes in the Black and American Indian and Alaskan Native populations during this time period.

20002010Change
White95.39%94.99%-0.42%
Two or More Races2%2.28%14%
Hispanic0.77%1.52%97.4%
Asian/Pacific Islander0%0.76%0%
Black0%0%0%
American Indian and Alaskan Native0.92%0%0%