Explore the Family Name Althaus

The meaning of Althaus

German and Jewish (Ashkenazic): 1. topographic or habitational name referring to a house known as ‘the old house’, from German altes Haus ‘old house’. 2. habitational name from a place called Althaus(en), for example in Hesse.

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

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

Based on data from the Decennial U.S. Census, the surname Althaus saw a minor decrease in popularity between 2000 and 2010. The rank of this surname slipped by 1.93 percent from 23,428 in 2000 to 23,881 in 2010. However, the actual count of individuals with this surname increased slightly by 4.45 percent, from 1,012 in 2000 to 1,057 in 2010. The proportion per 100,000 decreased by 5.26 percent over the same period, indicating that it became less common relative to other surnames.

	2000	2010	Change
Rank	#23,428	#23,881	-1.93%
Count	1,012	1,057	4.45%
Proportion per 100k	0.38	0.36	-5.26%

Race and Ethnicity of people with the last name Althaus

In terms of ethnic identity, the Althaus surname has seen some significant changes between 2000 and 2010, as shown in the data from the Decennial U.S. Census. The proportion of people with this surname who identify as Asian/Pacific Islander increased dramatically by 172.88 percent. There was also a considerable increase in those identifying as Hispanic, with a rise of 91.89 percent. Those identifying as having two or more races rose by 16.67 percent. The proportion of white individuals fell slightly by 3.07 percent. The Black community and the American Indian and Alaskan Native community both went from having no recorded individuals in 2000 to 0.57 percent in 2010.

	2000	2010	Change
White	95.75%	92.81%	-3.07%
Hispanic	1.48%	2.84%	91.89%
Asian/Pacific Islander	0.59%	1.61%	172.88%
Two or More Races	1.38%	1.61%	16.67%
Black	0%	0.57%	0%
American Indian and Alaskan Native	0%	0.57%	0%