Explore the Family Name Lortz

The meaning of Lortz

North German (also Lörtz): from a shortened form of the personal name Lorenz.

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

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

Based on the Decennial U.S. Census, the surname Lortz experienced a decrease in popularity between 2000 and 2010. In 2000, it ranked as the 31,563rd most common surname in the United States but fell to the 33,810th position by 2010, marking a drop of 7.12%. The total number of individuals with the Lortz surname also slightly decreased during this period from 693 in 2000 to 673 in 2010, a decline of approximately 2.89%. The proportion of people named Lortz per 100,000 residents saw an 11.54% drop from 0.26 in 2000 to 0.23 in 2010.

	2000	2010	Change
Rank	#31,563	#33,810	-7.12%
Count	693	673	-2.89%
Proportion per 100k	0.26	0.23	-11.54%

Race and Ethnicity of people with the last name Lortz

The ethnicity associated with the Lortz surname experienced some shifts over the same decade according to data from the Decennial U.S. Census. In 2000, about 95.38% of those bearing the Lortz name identified as White, decreasing slightly to 93.76% by 2010. The percentage identifying as Asian/Pacific Islander saw a significant increase from 1.01% in 2000 to 1.78% in 2010. Although a small fraction, the Hispanic representation within the Lortz surname holders grew from zero in 2000 to 1.49% in 2010. Conversely, the percentage of individuals of Two or more races decreased from 1.73% to 1.63% and Black representation dropped entirely from 1.3% to 0% over the decade. American Indian and Alaskan Native representation remained constant at 0%.

	2000	2010	Change
White	95.38%	93.76%	-1.7%
Asian/Pacific Islander	1.01%	1.78%	76.24%
Two or More Races	1.73%	1.63%	-5.78%
Hispanic	0%	1.49%	0%
Black	1.3%	0%	0%
American Indian and Alaskan Native	0%	0%	0%