Explore the Family Name Kast

The meaning of Kast

1. North German: variant of Karst. The dropping of ‘r’ before ‘s’ is a regular feature of some north and central German dialects. 2. German: from an Alemannic short form of the medieval personal name Arbogast. 3. German: variant of Gast.

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

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

Based on the Decennial U.S. Census data, the surname Kast has shown a minor decrease in popularity between 2000 and 2010. In 2000, the rank of the surname was 13,994 which slightly dipped to 14,549 in 2010, indicating a decrease of 3.97%. However, the total count of people with this surname increased from 1,978 to 2,048 during the same time period, showing a growth of 3.54%. The proportion per 100,000 showed a slight decrease of 5.48%, going from 0.73 to 0.69.

	2000	2010	Change
Rank	#13,994	#14,549	-3.97%
Count	1,978	2,048	3.54%
Proportion per 100k	0.73	0.69	-5.48%

Race and Ethnicity of people with the last name Kast

The ethnic identity associated with the surname Kast also underwent some changes between 2000 and 2010, as per the Decennial U.S. Census data. The majority identifying as White decreased marginally from 95.80% to 95.17%. Individuals identifying as Asian/Pacific Islander showed an increase from 0.81% to 0.93%. Those identifying as having two or more ethnicities decreased substantially from 1.42% to 0.93%. There was a significant increase in the percentage of individuals identifying as Hispanic, from 1.31% to 2.20%. Additionally, there were no individuals identifying as Black or American Indian and Alaskan Native in 2000, but by 2010, both groups each constituted 0.39% of those with the surname Kast.

	2000	2010	Change
White	95.8%	95.17%	-0.66%
Hispanic	1.31%	2.2%	67.94%
Asian/Pacific Islander	0.81%	0.93%	14.81%
Two or More Races	1.42%	0.93%	-34.51%
Black	0%	0.39%	0%
American Indian and Alaskan Native	0%	0.39%	0%