Explore the Family Name Janousek

The meaning of Janousek

Czech (Janoušek): from a pet form of Jan, Czech form of John.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Janousek saw a slight decrease between 2000 and 2010. In 2000, it ranked 25,610 in terms of commonality across the United States; however, by 2010, its rank had dropped to 26,598, representing a change of -3.86%. Despite this, the actual count of individuals with this surname increased slightly over the same time period, from 905 to 916, marking an increase of 1.22%. The proportion per 100,000 people also shrunk by 8.82%, suggesting that while the number of people named Janousek grew, the overall population growth outpaced it.

	2000	2010	Change
Rank	#25,610	#26,598	-3.86%
Count	905	916	1.22%
Proportion per 100k	0.34	0.31	-8.82%

Race and Ethnicity of people with the last name Janousek

In terms of ethnicity, the Decennial U.S. Census data indicates a few changes in the demographic bearing the Janousek surname during the same decade. Specifically, there was a notable increase in those identifying as two or more races, which grew from 0.66% in 2000 to 1.31% in 2010, signifying a considerable change of 98.48%. Meanwhile, the percentage of individuals who identify as White decreased slightly from 98.12% to 95.85%, marking a change of -2.31%. Additionally, the percentage of those identifying as Hispanic rose from 0% in 2000 to 2.18% in 2010. The data for Asian/Pacific Islander, Black, and American Indian and Alaskan Native were either zero or suppressed in both years.

	2000	2010	Change
White	98.12%	95.85%	-2.31%
Hispanic	0%	2.18%	0%
Two or More Races	0.66%	1.31%	98.48%
Asian/Pacific Islander	0.66%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%