Explore the Family Name Locus

The meaning of Locus

1. Altered form of Lucas, Lucus or Locust 2 and 3. In the US, it is found mainly among African Americans. 2. In some cases possibly also Flemish and Walloon: Latinized (humanistic) form of Flemish Louckx or Loockx, patronymics from a pet form of the personal name Lodewijk (see Ludwig).

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Locus has increased between 2000 and 2010. The rank improved from 62961 in 2000 to 59324 in 2010, showing a 5.78% change. The count also showed an increase from 297 in 2000 to 341 in 2010, a 14.81% uptick. The proportion per 100k people bearing this surname increased by 9.09%, from 0.11 in 2000 to 0.12 in 2010.

	2000	2010	Change
Rank	#62,961	#59,324	5.78%
Count	297	341	14.81%
Proportion per 100k	0.11	0.12	9.09%

Race and Ethnicity of people with the last name Locus

In relation to ethnicity, again based on the Decennial U.S. Census data, the surname Locus is predominantly associated with the Black community, which made up 74.75% of those with this surname in 2000 and slightly increased to 74.78% in 2010. The percentage of those identifying as White remained relatively stable, decreasing just slightly from 21.21% in 2000 to 21.11% in 2010. The Hispanic representation decreased by 25.42%, from 2.36% in 2000 to 1.76% in 2010. In 2010, there was a small representation (1.47%) from people identifying with two or more races, where no such data existed in 2000. There were no individuals with the surname Locus identified as Asian/Pacific Islander or American Indian and Alaskan Native in either year.

	2000	2010	Change
Black	74.75%	74.78%	0.04%
White	21.21%	21.11%	-0.47%
Hispanic	2.36%	1.76%	-25.42%
Two or More Races	0%	1.47%	0%
Asian/Pacific Islander	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%