Explore the Family Name Kostner

The meaning of Kostner

1. German (Köstner): see Koestner. 2. German: topographic name for someone living on a shelf or ledge in the mountains, ultimately from Latin costa ‘rib, side, flank’. Compare Costner.

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

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

Based on the data from the Decennial U.S. Census, the popularity of the surname Kostner saw a slight decrease between 2000 and 2010. In 2000, Kostner was ranked as the 56,687th most popular surname, but by 2010, it had slipped to 64,388th. This represents a decline in popularity of 13.59%. Additionally, the number of individuals with the surname also decreased from 337 in 2000 to 309 in 2010, a decrease of approximately 8.31%. The proportion of individuals with the Kostner surname per 100,000 people also dropped by 16.67%, moving from 0.12 in 2000 to 0.1 in 2010.

	2000	2010	Change
Rank	#56,687	#64,388	-13.59%
Count	337	309	-8.31%
Proportion per 100k	0.12	0.1	-16.67%

Race and Ethnicity of people with the last name Kostner

When looking at the ethnic identity associated with the Kostner surname, again based on data from the Decennial U.S. Census, we see some shifts between 2000 and 2010. The largest group identifying with this surname is those of White ethnicity, with 95.85% in 2000 and a slight increase to 96.12% in 2010. Individuals of Asian/Pacific Islander ethnicity make up a small portion of Kostners, with an increase from 1.48% in 2000 to 1.62% in 2010. Meanwhile, individuals identifying as having two or more races fell to zero in 2010, down from 1.78% in 2000. There were no recorded instances of Kostners identifying as Hispanic, Black, or American Indian and Alaskan Native in either year.

	2000	2010	Change
White	95.85%	96.12%	0.28%
Asian/Pacific Islander	1.48%	1.62%	9.46%
Two or More Races	1.78%	0%	0%
Hispanic	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%