Explore the Family Name Grothaus

The meaning of Grothaus

North German: topographic name for someone who lived in or by a large house or farmstead, from Low German grot(h) ‘large, great’ + central or standard German Haus ‘house’.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Grothaus showed slight fluctuations between 2000 and 2010. In 2000, it ranked 34,904 in popularity, but by 2010 fell slightly to a ranking of 35,582 - a change of -1.94%. Despite this decrease in rank, the actual count of individuals with the Grothaus surname increased from 612 to 632 over the same period, marking a modest growth of 3.27%. However, when considering the proportion per 100,000 people, the prevalence of the Grothaus name dropped marginally by 8.7%, from 0.23 to 0.21.

	2000	2010	Change
Rank	#34,904	#35,582	-1.94%
Count	612	632	3.27%
Proportion per 100k	0.23	0.21	-8.7%

Race and Ethnicity of people with the last name Grothaus

Regarding the ethnicity associated with the Grothaus surname, as per the Decennial U.S. Census data, a vast majority identified as White, with 96.57% in 2000 and 95.57% in 2010, showing a minor decline of -1.04%. Those identifying with two or more ethnicities rose slightly from 1.31% in 2000 to 1.42% in 2010. The most significant change was observed in those identifying as Hispanic, which saw an increase of 38.60%, growing from 1.14% in 2000 to 1.58% in 2010. The categories of Asian/Pacific Islander, Black, and American Indian and Alaskan Native had no reported figures for either year, due to suppression of data for privacy reasons.

	2000	2010	Change
White	96.57%	95.57%	-1.04%
Hispanic	1.14%	1.58%	38.6%
Two or More Races	1.31%	1.42%	8.4%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0.82%	0%	0%