Explore the Family Name Jach

The meaning of Jach

Polish and Czech: from the personal name Jach, a pet form of various names beginning with Ja-, principally Jan (see John), Jakub (see Jacob), and, in Polish, Jacenty (see Jacek). Some characteristic forenames: Polish Andrzej, Jerzy, Tadeusz, Urszula.

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

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

The surname Jach has seen a decline in its popularity over the years, as per the data from Decennial U.S. Census. In 2000, the surname was ranked 64,008 in terms of popularity and by 2010, it had dropped to 80,131, witnessing a decrease of 25.19%. The count of individuals carrying the surname also reduced from 291 in 2000 to 237 in 2010, an 18.56% drop. The proportion of the surname Jach per 100,000 people also fell by 27.27%, from 0.11 in 2000 to 0.08 in 2010.

20002010Change
Rank#64,008#80,131-25.19%
Count291237-18.56%
Proportion per 100k0.110.08-27.27%

Race and Ethnicity of people with the last name Jach

In terms of ethnicity, the majority of people with the surname Jach identify as White, according to the Decennial U.S. Census data. In 2000, 96.22% identified as White, which decreased slightly to 94.94% in 2010. Those identifying as Black and Asian/Pacific Islander remained constant at 0.00%, while those identifying as Hispanic saw an increase from 0% in 2000 to 2.53% in 2010. There were no recorded individuals with the surname Jach identifying as American Indian and Alaskan Native or belonging to two or more races during both census years.

20002010Change
White96.22%94.94%-1.33%
Hispanic0%2.53%0%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black1.72%0%0%
American Indian and Alaskan Native0%0%0%