Explore the Family Name Jonassen

The meaning of Jonassen

Norwegian, Danish, and North German: patronymic from the Biblical personal name Jonas. It is rare in Germany. Some characteristic forenames: Scandinavian Sven, Bjorg, Johan, Jorgen, Lars, Tor. German Hans, Otto.

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

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

The surname Jonassen has seen a slight fluctuation in popularity based on the Decennial U.S. Census data. In 2000, its rank was 63,632, which dropped slightly to 64,388 by 2010, a decrease of 1.19 percent. However, the actual count of individuals with this surname increased from 293 in 2000 to 309 in 2010, an increase of 5.46 percent. The proportion per 100,000 people fell slightly from 0.11 to 0.1 during the same period.

	2000	2010	Change
Rank	#63,632	#64,388	-1.19%
Count	293	309	5.46%
Proportion per 100k	0.11	0.1	-9.09%

Race and Ethnicity of people with the last name Jonassen

Regarding the ethnic identity associated with the surname Jonassen, based on the Decennial U.S. Census data, the majority identify as White, although there has been a small decrease from 92.15 percent in 2000 to 88.67 percent in 2010. There is a notable growth in the percentage identifying as Asian/Pacific Islander, from 2.05 percent in 2000 to 3.56 percent in 2010. Similarly, there's also a rise in those identifying with two or more races from 3.41 percent to 3.88 percent. A new addition to the 2010 census was the identification of Hispanic ethnicity at 2.59 percent, not previously reported in 2000. No percentage changes were recorded for those identifying as Black or American Indian and Alaskan Native.

	2000	2010	Change
White	92.15%	88.67%	-3.78%
Two or More Races	3.41%	3.88%	13.78%
Asian/Pacific Islander	2.05%	3.56%	73.66%
Hispanic	0%	2.59%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%